Granted Patent
Utility
US 4,680,233 · App. 06/730,405
Sealing material
Inventors:
Geary Camin, William D. Uken
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: May 2, 1985
Inventors
Geary Camin
William D. Uken
Assignee (at issue)
Raychem Limited
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.