Granted Patent
Utility
US 5,620,546 · App. 08/248,522
Method of making a floor mat having a channel
Inventor:
Harold Reuben
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: May 24, 1994
Inventor
Harold Reuben
Assignee (at issue)
The Akro 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.