Granted Patent
Utility
US 5,590,923 · App. 08/388,866
Interchangeable jaw tongs
Inventors:
Robert P. Berger, Steven Preston Benson
Patented Case
View Patent ↗
Granted: Jan 7, 1997
Filed: Feb 14, 1995
Inventors
Robert P. Berger
Steven Preston Benson
Assignee (at issue)
Belle de St. Claire
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.