Granted Patent
Utility
US 4,743,533 · App. 06/846,584
Photographic system utilizing a compound capable of providing controlled release of photographically useful group
Inventors:
Roger A. Boggs, John B. Mahoney, Avinash C. Mehta, William C. Schwarzel, Lloyd D. Taylor
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Mar 31, 1986
Inventors
Roger A. Boggs
John B. Mahoney
Avinash C. Mehta
William C. Schwarzel
Lloyd D. Taylor
Assignee (at issue)
Polaroid Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.