Granted Patent
Utility
US 5,759,272 · App. 08/611,954
Manual sealing device
Inventor:
Peter Lisec
Patented Case
View Patent ↗
Granted: Jun 2, 1998
Filed: Mar 6, 1996
Inventor
Peter Lisec
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.