Granted Patent
Utility
US 6,418,628 · App. 09/815,285
Spring-loaded car window breaker and retractable safety sheath
Inventor:
Robert W. Steingass
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Mar 23, 2001
Inventor
Robert W. Steingass
Assignee (at issue)
Task Force Tips 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.