Granted Patent
Utility
US 4,566,772 · App. 06/675,856
Film processor for premounted transparency frames
Inventors:
Donald J. Sulesky, Joseph H. Wright
Patented Case
View Patent ↗
Granted: Jan 28, 1986
Filed: Nov 28, 1984
Inventors
Donald J. Sulesky
Joseph H. Wright
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.