Granted Patent
Utility
US 4,733,997 · App. 06/745,946
Method of producing chair mats and the like involving edge trimming
Inventors:
John R. Ford, Robelino C. Gutierrez
Patented Case
View Patent ↗
Granted: Mar 29, 1988
Filed: Jun 18, 1985
Inventors
John R. Ford
Robelino C. Gutierrez
Assignee (at issue)
Tenex 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.