United States. Patent Office · Washington, D.C., Govt. Print. Off. · leaf 333
Attorneys H. W. ROGERS.R CONTROLLING MOTION PICTURE AND SOUND REPRODUCING MECHANISMS. Tatented Feb. 5,1918. 2 SHEETS-SHEET 2. 1,255,822. APPLICATION FILED OCT. II, 1913. … Inventor Attorneys UNITED STATES PATENT OFFICE, HARBISON W. ROGERS, OF WHEELING, WEST VIRGINIA. MECHANISM EOR CONTROLLING MOTION-PICTURE AND SOUND-REPRODUCING MECHANISMS. 1,255,822. Specification of Letters Patent. Patented Feb. 5, 1918. Application filed October 11,1913. Serial No. 794,632. To all…
Phonograph · Patents
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