Granted Patent
Utility
US 4,610,653 · App. 06/729,363
Heat sealing and cutting means
Inventor:
Peter Savich
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: May 1, 1985
Inventor
Peter Savich
Assignee (at issue)
Union Carbide 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.