Granted Patent
Utility
US 4,334,744 · App. 06/172,861
Photographic apparatus having synchronized flash
Inventor:
William A. Shelton
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Jul 28, 1980
Inventor
William A. Shelton
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.