Granted Patent
Utility
US 5,838,997 · App. 08/826,237
Preloaded single-use instant camera
Inventor:
Lawrence M. Douglas
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Mar 27, 1997
Inventor
Lawrence M. Douglas
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.