Granted Patent
Utility
US 4,580,794 · App. 06/672,115
Silicon rubber gasket and material
Inventor:
Robert M. Gibbons
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Nov 16, 1984
Inventor
Robert M. Gibbons
Assignee (at issue)
Jamak, Inc.
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.