Granted Patent
Utility
US 4,313,638 · App. 06/173,488
Infinitely variable seat recliner mechanism
Inventor:
Daniel W. Roper
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Jul 30, 1980
Inventor
Daniel W. Roper
Assignee (at issue)
Rockwell International 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.