Granted Patent
Utility
US 5,630,278 · App. 08/412,049
Circle compass
Inventor:
Bruce Stoneberg
Patented Case
View Patent ↗
Granted: May 20, 1997
Filed: Mar 28, 1995
Inventor
Bruce Stoneberg
Assignee (at issue)
Safe-T Products, 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.