Granted Patent
Utility
US 6,041,876 · App. 08/944,246
Anti-tip assembly for power wheelchair
Inventors:
Dale A. Pulver, Roland A. Mentessi
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Oct 6, 1997
Inventors
Dale A. Pulver
Roland A. Mentessi
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.