Granted Patent
Utility
US 4,174,991 · App. 05/959,727
Process of laminating carpet to elastomeric backing
Inventor:
Harold Reuben
Patented Case
View Patent ↗
Granted: Nov 20, 1979
Filed: Nov 13, 1978
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.