Granted Patent
Utility
US 4,609,775 · App. 06/636,370
Bushing including an expansion compensation seal
Inventor:
John H. Moran
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Jul 31, 1984
Inventor
John H. Moran
Assignee (at issue)
Interpace Corporation
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.