Granted Patent
Utility
US 6,421,829 · App. 09/911,749
Titanium wire face guard
Inventors:
P. David Halstead, Garry McNabb, David E. Wright
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Jul 23, 2001
Inventors
P. David Halstead
Garry McNabb
David E. Wright
Assignee (at issue)
MAD PARTNERS, LLC
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.