Granted Patent
Utility
US 4,889,350 · App. 07/200,914
Bellows seal arrangement
Inventor:
Brian R. Tranter
Patented Case
View Patent ↗
Granted: Dec 26, 1989
Filed: Jun 1, 1988
Inventor
Brian R. Tranter
Assignee (at issue)
EGG CO., LTD.
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.