Granted Patent
Utility
US 6,711,973 · App. 10/102,433
Ratchet wrench
Inventors:
Robert L. Arnold, Richard P. Folkenroth
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Mar 19, 2002
Inventors
Robert L. Arnold
Richard P. Folkenroth
Assignee (at issue)
Hand Tool Design Corporation
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.