Granted Patent
Utility
US 4,674,394 · App. 06/788,004
Portable bullet-proof shield
Inventor:
Philip C. Martino
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Oct 16, 1985
Inventor
Philip C. Martino
Assignee (at issue)
Pro-Tech Armored Products of New York, 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.