Granted Patent
Utility
US 5,261,990 · App. 07/530,529
Method of making an elongate strip for the production of sealing members for containers
Inventors:
Michael P. Galda, Brian M. Klassen, Stephen H. Witt
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: May 30, 1990
Inventors
Michael P. Galda
Brian M. Klassen
Stephen H. Witt
Assignee (at issue)
Stanpac 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.