Granted Patent
Utility
US 6,820,505 · App. 10/135,923
Mechanical safety fuse link
Inventors:
Mark Veverica, Charles Michael Webre, Cory Cole
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Apr 29, 2002
Inventors
Mark Veverica
Charles Michael Webre
Cory Cole
Assignee (at issue)
Frank's Casing Crew and Rental Tools, 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.