Granted Patent
Utility
US 4,575,465 · App. 06/681,264
Ink jet transparency
Inventor:
Michael S. Viola
Patented Case
View Patent ↗
Granted: Mar 11, 1986
Filed: Dec 13, 1984
Inventor
Michael S. Viola
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.