Granted Patent
Utility
US 5,845,341 · App. 08/872,433
Combination head and eye-protective apparatus and goggles
Inventors:
Michael J. Barthold, Louis Orotelli
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Jun 10, 1997
Inventors
Michael J. Barthold
Louis Orotelli
Assignee (at issue)
Cairns & Brother 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.