Granted Patent
Utility
US 6,126,186 · App. 09/188,851
Constant center of gravity tilt seat of a wheelchair
Inventor:
Nicholas A. Mascari
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Nov 9, 1998
Inventor
Nicholas A. Mascari
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.