Morse Code, 1647, Morse, Samuel F. B., 1840

Rotary Printing Press, 5199, Hoe, Richard M., 1847

Telegraph, 6420, Morse, S.F.B, 1849

Pencil, 33034, Faber, J. L. , 1861

Stock Market Ticker, 72742, Laws, Samuel S., 1867

Typewriter, 79265, Sholes, C. Latham, 1868

Improved Telegraph, 140488, Edison, Thomas, 1873

Speaker (Moving Coil), 149797, Siemens, Ernst W., 1874

Telephone, 174465, Bell, Alexander G., 1876

Phonograph , 200521, Edison, Thomas A., 1878

Speaker Cone, DE 2355, Siemens, Ernst W., 1878

(No Drawing)

Microphone, 224573, Berliner, Emile, 1880

Halftone Printing Plate , 237664, Ives, Frederic E., 1881

Photo-Relief Printing Plate, 245501, Ives, Frederic, 1881

Speaking Telephone, 250126, Blake, Francis, 1881

Linotype , 304272, Mergenthaler, Ottmar, 1884

Photographic Film, 306594, Eastman, George, 1884

Phonograph Disk Record, 341214, Bell, C., 1886

Phonograph Record (Gramophone), 372786, Berliner, Emile, 1887

Roll Film Camera, 388850, Eastman, George, 1888

Ball-Point Pen, 392046, Loud, John, 1888

Linotype, 436532, O. Mergenthaler, 1890

Photographic Film, 441831, Eastman, George, 1890

Automatic Telephone Exchange, 447918, Strowger, Almon, 1891

Speaking Telegraph, 474230, Edison, Thomas A., 1892

Automatic Telephone Exchange, 486909, Strowger, Almon, 1892

Motion Picture , 493426, Edison, Thomas A., 1893

Movie Projector (Phantascope), 536569, Jenkins, Charles F., 1895

Machine For Justifying Type, 557994, Langston, Tolbert, 1896

Addressograph , 558936, Duncan, Joseph S., 1896

Radio, 586193, Marconi, Guglielmo, 1897

Motion Picture Camera , 589168, Edison, Thomas A., 1897

Roll Photographic Film, 610861, Goodwin, Hannibal, 1898

Magnetic Tape Recorder , 661619, Poulsen, Valdemar, 1900

Paper Diaphragm Speaker, GB3393, Stroh, John, 1901

(No Drawing)

(No Drawing)

Wireless Telegraphy, Re. 11913, Marconi, Guglielmo, 1901

Automatic Stereotype Printing, 721117, Wood, Henry, 1903

Wireless Telegraph Equip., 763772, Marconi, Guglielmo, 1904

Printing Machine, 778449, Dick, A.B., 1904

Sound Movies, 823022, Ballance, John, 1906

Typewriter Wheel, 862402, Pearne, Frank, 1907

Type Bar Page Printer, 888335, Pearne, Frank, 1908

Alternating Wave Radio, 1008577, Alexanderson, Ernst, 1911

Wireless Receiver, 1113149, Armstrong, Edwin H., 1914

Radio Tuning System, 1173079, Alexanderson, E., 1916

Wide-Band Radio Receiver, 1342885, Armstrong, Edwin H. , 1920

Camera, D074211, Bornmann, Carl, 1921

Television, 1544156, Jenkins, Charles F, 1925

Television, 1773980, Farnsworth, Philo T., 1930

Microfilm Camera, 1806763, George Mccarthy, 1931

FM Radio, 1941066, Armstrong, Edwin H., 1933

Radio Direction Finder, 2142133, Kruesi, Geoffrey G., 1933

Lighted Advertising Signs, 1980542, Leland, George H., 1934

Color Photography, 1997493, Godowsky Jr., Leopold, 1935

Television, 2021907, Zworykin, Vladimir K., 1935

Typewriter Keyboard, 2040248, Dvorak, 1936

Magnetic Recording, 2048487, Begun, S. Joseph, 1936

Color Film, 2059884, Mannes, Leopold D., 1936

Cathode Ray Tube, Television, 2139296, Zworykin, Valdimir, 1938

Multiplane Camera, 2201689, Disney, Walt, 1940

Xerography, 2221776, Carlson, Chester, 1940

Frequency Hopping, 2292387, Lamarr, Hedy, 1942

Xerography (Original Photocopier), 2297691, Carlson, Chester F., 1942

Carbon-Less Paper, 2299693, Green, Barrett K., 1942

Magnetic Recording, 2351004, Camras, Marvin, 1944

Justifying Typewriter, 2379862, Bush, Vannevar, 1945

Instant Photography (Polaroid™), 2543181, Land, Edwin H., 1951

Chinese Typewriter, 2613795, Yutang, Lin, 1952

Directional Antenna, 2682050, Alford, Andrew, 1954

Semiconductortelevision Circuit, 2745038, Sziklai, George, 1956

Phototypesetting, 2790362, Higonnet, Rene A., 1957

Modern Photocopier, 2812709, Gundlach, Robert, 1957

Satellite, 2835548, Baumann, Robert C., 1958

Video Tape Recorder, 2866012, Ginsburg, Charles P., 1958

Electromagnetic Energy (MASER), 2879439, Townes, Charles H., 1958

Web Printing Press, 3008200, Bullock, William, 1959

Laser Communications System, 2929922, Schawlow, Arthur L., 1960

Wideband Magnetic Tape System, 2956114, Ginsburg, Charles P., 1960

Electronic Reading System, 3000000, Eldredge, Kenneth, 1961

Microphone (Electroacoustic), 3118022, Sessler, Gerhard M., 1964

Microfiche, 3185026, Carlson, Carl O., 1965

Liquid Crystal Display, 3834792, Janning, John L., 1974

Dolby™ Noise Reduction, 3846719, Dolby, Ray, 1974

Gif (Graphical Inter-Change Format), 4558302, Welch, Lempel, 1985

Internet Protocol, 6574628, Cerf, Vinton G., 2003