Granted Patent
Utility
US 5,535,648 · App. 08/394,490
Ratcheting screwdriver
Inventors:
John A. Braun, Frank Occidentale
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: Feb 27, 1995
Inventors
John A. Braun
Frank Occidentale
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.