Granted Patent
Utility
US 5,205,899 · App. 07/893,463
Thermal expansion compensated hot knife
Inventor:
Daniel W. Woodman, Jr.
Patented Case
View Patent ↗
Granted: Apr 27, 1993
Filed: Jun 4, 1992
Inventor
Daniel W. Woodman, Jr.
Assignee (at issue)
Gloucester 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.