Granted Patent
Utility
US 5,971,482 · App. 08/942,652
Constant center of gravity tiltable chair of a wheelchair
Inventors:
Gerold Goertzen, Adrian J. Setacci
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Oct 2, 1997
Inventors
Gerold Goertzen
Adrian J. Setacci
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.