Granted Patent
Utility
US 4,125,985 · App. 05/833,036
Process for forming peelable seals
Inventor:
Louis L. Laske
Patented Case
View Patent ↗
Granted: Nov 21, 1978
Filed: Sep 14, 1977
Inventor
Louis L. Laske
Assignee (at issue)
VONCO PRODUCTS, LLC
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.