Granted Patent
Utility
US 4,354,330 · App. 06/221,871
Flat-cornered triangular medical column
Inventor:
Wesley W. Schwartz
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Dec 31, 1980
Inventor
Wesley W. Schwartz
Assignee (at issue)
Square D Company
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.