Classifications: Documentary

Classifications: Documentary
289 to 312 of 1,338
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Image Not Available
Documentary
Samuel E. Sheppard
Patent- Light Sensitive Material and Process of Making The Same
July 31, 1928
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Photograph and Method of Making The Same
July 10, 1928
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Non-dusting Carbon Pigment & Process of Making The Same
December 6, 1927
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Fluorescent Material and Method of Preparing Same
November 8, 1927
Image Not Available
Documentary
Sterling S. Sweet
Patent- Photographic Film And Base Therefor
April 5, 1927
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Photo Emulsion & Material & Process of Making Same
April 5, 1927
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Cake of compressed gelatin powder & process of making same
January 4, 1927
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Fluorescent X-ray Screen
December 7, 1926
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Electrolytical Proces of Preparing Silver Halides From Silver
October 12, 1926
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Fluorescent Material And Process of Preparing Same
October 12, 1926
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Fluorescent Material And Method of Preparing Same
October 12, 1926
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Light Sensitive Material With Selenium & Process of Making
Octobe 12, 1926
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Light Sensitive Material With Tellurium & Process of Making
October 12, 1926
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Biochemical light sensitizing extracts in photo materials
October 12, 1926
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Photo Emulsion With Mercury Cmpd & Process of Making Same
October 12, 1926
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Process of Changing Light Sensitivity of Photo Emulsion
July 6, 1926
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Electrodeposition of Coating of Rubber & Cellulosic Compound
June 15, 1926
Image Not Available
Documentary
Leon W. Eberlin
Patent- Aqueous emulsion of unvulcanized rubber and sulfur
June 15, 1926
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Aqueous emulsion with electrodepositable rubber & cellulosic
June 15, 1926
Image Not Available
Documentary
Leon W. Eberlin
Patent- Process of Electrodepositing Rubber On A Metal Wire
June 15, 1926
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Electrodeposition of Organic Materials (eg, rubber )
June 15, 1926
Image Not Available
Documentary
Carl L. Beal
Patent- Electrodeposit Organic Material on Porous Nonconduct Material
June 15, 1926
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Electrodeposition of Hard Rubber Under Gas Removing Conditions
May 4, 1926
Image Not Available
Documentary
Samuel E. Sheppard
Patent- Coating composition containing nitrocellulose & hard rubber
May 4, 1926
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