Granted Patent
Utility
US 5,575,348 · App. 08/228,584
Powered wheelchair with adjustable center of gravity and independent suspension
Inventors:
Gerold Goertzen, Neal J. Curran, James H. Molnar
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: Apr 15, 1994
Inventors
Gerold Goertzen
Neal J. Curran
James H. Molnar
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.