Granted Patent
Utility
US 4,917,931 · App. 07/159,829
Vandal resistant upholstered seat
Inventors:
Keith A. McDowell, Vaughn L. Clark
Patented Case
View Patent ↗
Granted: Apr 17, 1990
Filed: Feb 24, 1988
Inventors
Keith A. McDowell
Vaughn L. Clark
Assignee (at issue)
American 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.