Granted Patent
Utility
US 4,476,174 · App. 06/466,055
Composite plastic mat and method of forming same
Inventor:
Armando Carrera
Patented Case
View Patent ↗
Granted: Oct 9, 1984
Filed: Feb 14, 1983
Inventor
Armando Carrera
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.