Granted Patent
Utility
US 4,741,439 · App. 06/890,274
Cassette for photographic strip material
Inventor:
Milan Bizic
Patented Case
View Patent ↗
Granted: May 3, 1988
Filed: Jul 29, 1986
Inventor
Milan Bizic
Assignee (at issue)
Gretag Aktiengesellschaft
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.