Granted Patent
Utility
US 5,222,277 · App. 07/860,788
Intermittently and reversibly operable hot wax energized hinge
Inventor:
T. Jeffrey Harvey
Patented Case
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Granted: Jun 29, 1993
Filed: Mar 31, 1992
Inventor
T. Jeffrey Harvey
Assignee (at issue)
AEC-Able Engineering Co., Inc.
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.