Granted Patent
Utility
US 5,755,446 · App. 08/774,113
Seal apparatus between a shaft and a non-linear inner surface of a housing
Inventors:
W. Clark Dean, Thomas J. Stapleton
Patented Case
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Granted: May 26, 1998
Filed: Dec 24, 1996
Inventors
W. Clark Dean
Thomas J. Stapleton
Assignee (at issue)
UNITED TECHNOLOGIES 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.