Granted Patent
Utility
US 4,648,657 · App. 06/751,600
Seat adjuster responsive to tilting of seat back
Inventors:
David Cox, Thomas Marx
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Jul 2, 1985
Inventors
David Cox
Thomas Marx
Assignee (at issue)
Atwood Vacuum Machine 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.