Granted Patent
Utility
US 4,264,050 · App. 06/025,850
Seat leveling device
Inventor:
Robert J. Wahls
Patented Case
View Patent ↗
Granted: Apr 28, 1981
Filed: Apr 2, 1979
Inventor
Robert J. Wahls
Assignee (at issue)
Freedman Seating Company
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.