Granted Patent
Utility
US 5,878,604 · App. 08/909,247
Protection device for bolt seal and hasp
Inventors:
Robert E. Stone, Terrence N. Brammall, David L. Stevenson, Craig Hamilton
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Aug 11, 1997
Inventors
Robert E. Stone
Terrence N. Brammall
David L. Stevenson
Craig Hamilton
Assignee (at issue)
Transguard Industries
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.