Granted Patent
Utility
US 4,450,698 · App. 06/348,715
Combination locks
Inventor:
Stephen S. Scelba
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Feb 16, 1982
Inventor
Stephen S. Scelba
Assignee (at issue)
Presto Lock, 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.