Granted Patent
Utility
US 5,513,896 · App. 08/413,187
Cover piece for seat member of bleacher seat unit
Inventors:
A. Anthony Groh, Dennis W. Norman
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Mar 30, 1995
Inventors
A. Anthony Groh
Dennis W. Norman
Assignee (at issue)
Crane Plastics Company LLC
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.