Granted Patent
Utility
US 4,654,099 · App. 06/773,444
Method of production of a non-skid laminated sheet
Inventor:
Robert Sandman
Patented Case
View Patent ↗
Granted: Mar 31, 1987
Filed: Sep 6, 1985
Inventor
Robert Sandman
Assignee (at issue)
The Vollrath 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.