Granted Patent
Utility
US 4,888,070 · App. 07/127,342
Environmental sealing of a substrate
Inventors:
Brian Clark, William D. Uken, Paul Schoenstein, Geary Camin
Patented Case
View Patent ↗
Granted: Dec 19, 1989
Filed: Dec 1, 1987
Inventors
Brian Clark
William D. Uken
Paul Schoenstein
Geary Camin
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.