Granted Patent
Utility
US 4,406,362 · App. 06/193,902
Lens carrying case
Inventors:
Michael D. Thomas, Francis E. Ryder
Patented Case
View Patent ↗
Granted: Sep 27, 1983
Filed: Oct 6, 1980
Inventors
Michael D. Thomas
Francis E. Ryder
Assignee (at issue)
RYDER INTERNATIONAL CO., LTD.
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.