Granted Patent
Utility
US 4,962,551 · App. 07/326,229
Portable commode
Inventor:
Robert R. Bly
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Mar 20, 1989
Inventor
Robert R. Bly
Assignee (at issue)
INVACARE 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.