Granted Patent
Utility
US 5,294,141 · App. 07/937,587
Attended to self propelled convertible pivoting wheelchair
Inventors:
Roland A. Mentessi, Allen J. Boris, Neal J. Curran
Patented Case
View Patent ↗
Granted: Mar 15, 1994
Filed: Aug 31, 1992
Inventors
Roland A. Mentessi
Allen J. Boris
Neal J. Curran
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.