Granted Patent
Utility
US 6,070,674 · App. 09/096,056
Modified cage member for an impact mechanism
Inventors:
Paul L. Williamson, Paul Gerhart
Patented Case
View Patent ↗
Granted: Jun 6, 2000
Filed: Jun 11, 1998
Inventors
Paul L. Williamson
Paul Gerhart
Assignee (at issue)
Chicago Pneumatic Tool Company
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.