Granted Patent
Utility
US 6,092,440 · App. 09/397,988
Self-adjusting ratcheting wrench
Inventor:
George Hillinger
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Sep 16, 1999
Inventor
George Hillinger
Assignee (at issue)
Alltrade 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.