Granted Patent
Utility
US 4,715,526 · App. 06/932,848
Floating seal and method of its use
Inventor:
Douglas MacNeil
Patented Case
View Patent ↗
Granted: Dec 29, 1987
Filed: Nov 20, 1986
Inventor
Douglas MacNeil
Assignee (at issue)
General Dynamics Corp., Pomona Division
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.