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December, 1934
T h
INTERNATIONAL PHOTOGRAPHER
Recent Photographic Sound Patents
The following patents of interest to readers of Inter been compiled by Robert W. Fulwider, patent and tradenational Photographer were issued during the past mark attorney, 800 Clem Wilson Building, 5225 Wilmonth from the United States Patent Office and have shire Boulevard, Los Angeles, California.
1,979,363 — Revolving Stage. Busby Berkeley, Beverly Hills, Calif. Assigned to Warner Bros. Pictures, Inc., N. Y.
1,979,397 — Photographic Apparatus. Leonard Misonne, Gilly Belgium.
1,979,423 — Collapsible Spool for Motion Picture Film. Albert W. Zondreau, Hollywood, Calif. Assigned to Warner Bros. Pictures, Inc.
1,979,700— Automatic Film Threading Motion Picture Machine. Russell P. May, Haddonfield, N. J. Assigned to R. C. A.
1,979,718— Motor Driven Sound & Picture Recording Camera and Reproducer. Walter W. Wehr, Allentown, Pa.
1,979,719 — Photographic Camera. Ernst Weisse, Leipzig, Germany.
1,979,800— Motion Picture Projecting Machine. Albert S. Howell, Chicago, 111. Assigned to Bell & Howell Co., Chicago.
1,979,921 — Projecting Apparatus. Albert E. Wier, Brooklyn, N. Y.
1,979,937 — Sound Accompaniment for Composite Motion Pictures. Fred W. Jackman, Beverly Hills. Assigned to United Research Corp., Long Island, N. Y.
1,979,984— Motion Picture Camera. Lewis H. Moomaw, Willmette, 111.
1,980,147— Lens System. Walter G. Wolfe, Greenwood, Mass. Assigned to Wilmot R. Evans, Trustee, Boston.
1,980,167 — Change-over Mechanism for Motion Picture Machine. Ivory H. Crabtree, Toppenish, Wash. Three-quarters Assigned to Lottie P. Crabtree.
1,980,196— Electric Discharge DeVice. Myron S. Gless, East Orange, N. J. Assigned to Bell Tel. Lab., Inc.
1,980,198— Electrooptical Tube. Frank Gray, New York. Assigned to Bell Tel. Lab.
1,980,21-1 — Mount for Electric Devices. Geo. R. Lunn, New York. Assigned to Bell Tel. Lab.
1,980,217 — Light Gauging Apparatus. Gabriel Garcia Moreno, Los Angeles. Assigned to Moreno-Snyder Cine Corp., Los Angeles.
1,980,220 — Intermittent Feed Device. Edmond R. Morton, New York. Assigned to Bell Tel. Lab.
1,980,223— Light Valve for Translation of Sound Effects. Freeman H. Owens, N. Y. Assigned to Wired Radio, Inc., N. Y
1,980,285 and 1,980,286— Projection Screen. David F. Newman, Freeport, N. Y. Assigned to Trans-Lux Daylight Picture Screen Corp., N. Y.
1,980,292 — Method & Apparatus for producing Musical Sounds. Ralph K. Potter, N. Y. Assigned to A. T. & T. Co., N. Y.
1,980,463— Film Handling Mechanism. Walter L. Wright, Santa Monica, Calif. Assigned to Synchrome Corp., Los Angeles.
1,980,546— Photographic Camera. Wm. H. Petit and Edson S. Hineline, Rochester, N. Y. Assigned to Folmer Grarlex Corp.
1,980,600 — Motion Picture Projection Machine. Geo. K. Spoor, Chicago, 111. Spoor Natural Vision Corp. Assignee.
980,702— Phototube. Bernard Salzberg, N. Y. Assigned to R. C. A.
1,980,795— Method of Photography. James A. Gibbons, North Hollywood, Calif. Assigned to Warner Bros. Pictures, Inc.
1 ,980,806— Composite Motion Pictures. Hans F. Koenekamp, Venice, Calif. Assigned to Warner Bros. Pictures, Inc.
1,980,915— Motion Picture Camera. Frank X. Graser, Lindenhurst, N. Y.
1,980,957— Electro-Acoustic Device. Robert D. Parry, Northway, Neasden, England. Assigned to G. E. Company.
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