Granted Patent
Utility
US 4,771,136 · App. 06/916,774
Bulkhead gland assembly
Inventors:
John F. Graver, Peter Hawkins
Patented Case
View Patent ↗
Granted: Sep 13, 1988
Filed: Oct 9, 1986
Inventors
John F. Graver
Peter Hawkins
Assignee (at issue)
Plessey Overseas 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.