Granted Patent
Utility
US 4,240,610 · App. 06/041,917
High pressure bellows assembly
Inventor:
Edward F. Trimble
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: May 23, 1979
Inventor
Edward F. Trimble
Assignee (at issue)
EG&G Sealol, 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.