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January, 1935
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INTERNATIONAL PHOTOGRAPHER
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RECENT PHOTOGRAPHIC SOUND PATENTS
The following patents of interest to readers of International Photographer were issued during the past month from the United States Patent Office and have been compiled by Robert W. Fulwider, patent and trademark attorney, 800 Clem Wilson Building, 5225 Wilshire Boulevard, Los Angeles, California.
1,980,978 — Method and Apparatus for Advancing Film Past a Place of Recording or Reproduction. Emil Anderson and Geo. Johanson, assignors to Aga-Baltic Radio H. B., Stockholm, Sweden.
1,981,033 — Aperture Plate for Motion Picture Projection Machines. Augusto Dina, assignor to International Projection Corp., New York City.
1,981,069 — Coordination of Motion Picture & Sound Records. Geo. Ramsey of Brooklyn, N. Y.
1,981,102— Photographic Material & Process of Making Same. Max Hagedorn & Gerhard Von Kujawa. assignors to Agfa Ansco Corp., Binghamton, N. Y.
1,981,132 — Composition for Non-inflammable Film. J. F. Walsh & K. Flynn, assignors to Celluloid Corp., East Orange, N. J.
1,981,185— Follow Focus Mechanism. Geo. Mitchell, assignor to Mitchell Camera Corp., West Hollywood.
1,981,207 — Sound on Film Recording Camera. Chester Tappan, assignor to General Talking Picture Corp., New York City.
1,981,255 — Motion Picture Projector. Emil Vollenweider, Sacramento, California.
1,981,332— Film Splicer. Harold Rohrdanz, Inglewood, California.
1,981,368 — Apparatus for Splicing Films. John Maurer & Holton Friend, assignors to Radio Corp. of America.
1,981,370 — Film Feeding Device. Duane Mowat, assignor to Harry Vickers, Detroit, Mich.
1,981,425 — Substratum for Photographic Elements. J. G. McNally, assignor to Eastman Kodak Co.
1,981,670 — Safety Device for Motion Picture Projectors. Morris Schienfeld, Philadelphia, Pa.
1,981,922 — Picture Projecting & Viewing Apparatus. Michael-Bowman-Manifold, Worplesdon Station, England, assignors to Elect. & Musical Industries, Ltd., Middlesex, Eng.
1,982,187 — Apparatus for Copying Goffered Film. Arthur Wright, Forest Hills, N. Y. Ass. to KellerDorian Colorfjlm Corp., N. Y. City.
1,982,209 — Method of Embossing Cylinders for the Goffering of Film. Alphonse Gary, Paris, France. Ass. to Keller-Dorian Colorfilm Corp., N. Y. City.
1,982,210— Photographic Process. Clyde F. Gillette, N. Y. City. Ass. to United Research Corp., Long Island City, N. Y.
1,982,211 — Composite Photographic Process. Clyde F. Gillette, N. Y. City. Ass. to United Research Corp., Long Island City, N. Y.
1,982,221 — Soundproof Casing for Motion Picture Cameras. Charles E. McClay, Los Angeles. Ass. to United Research Corp., Long Island City, N. Y.
1,982,322 — Apparatus for Making Motion Pictures. Irving G. Ries & Douglas G. Shearer, Los Angeles. Ass. to M. G. M. Corp. of Culver City, Calif.
1,982,530 — Method of Projecting Cinematographic Pictures in Natural Colors. Paul O. Mikut, Dresden, Germany.
1,982,599— Method & Apparatus for Producing Moving Pictures. Earl I. Sponable, New York, N. Y. Ass. to Movietonews, Inc., N. Y.
1,982,600 — App. for Simultaneously Producing Moving Pictures and Reproducing Sound Pictures. Earl I. Sponable, N. Y. Ass. to Movietonews, N. Y.
1,982,739— Motion Picture Apparatus. Kaden & Stiefenhofer. Ass. to Agfa Ansco Corp.
1,983,276 — Driving Apparatus for Sound Film. Franz Ehrenhaft. Ass. to N. V. Kuchenmeister's International, Berlin, Germany.
1,983,402 — Production of Motion Pictures in Natural Colors. Isaac Rodman. Ass. to Lektophone Corp., Jersey City, N. J.
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