Granted Patent
Utility
US 6,422,053 · App. 09/945,412
Apparatus and method for forming a retaining ring on a wheel for a ratchet wrench
Inventors:
Billy Greuel, Edward A. Haase
Patented Case
View Patent ↗
Granted: Jul 23, 2002
Filed: Aug 31, 2001
Inventors
Billy Greuel
Edward A. Haase
Assignee (at issue)
A&E Manufacturing, 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.