Granted Patent
Utility
US 4,475,312 · App. 06/535,208
Door assembly
Inventor:
Bruno J. Deutschle
Patented Case
View Patent ↗
Granted: Oct 9, 1984
Filed: Sep 23, 1983
Inventor
Bruno J. Deutschle
Assignee (at issue)
F. L. Saino Manufacturing Co.
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.