Granted Patent
Utility
US 5,575,192 · App. 08/522,514
Retention of shank in handle of ratcheting driver
Inventor:
Daniel M. Eggert
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: Sep 1, 1995
Inventor
Daniel M. Eggert
Assignee (at issue)
Snap-On Technologies, 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.