Granted Patent
Utility
US 4,355,976 · App. 06/306,993
Amalgam carrier with unitary spring lever member
Inventor:
Vincent A. Berner
Patented Case
View Patent ↗
Granted: Oct 26, 1982
Filed: Sep 30, 1981
Inventor
Vincent A. Berner
Assignee (at issue)
Pennwalt 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.