Granted Patent
Utility
US 6,438,874 · App. 09/658,104
Hydraulic rotary grinder for attachment to construction machinery
Inventors:
Kenneth R. LaBounty, Ross D. Christenson, Daniel P. Jacobson
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Sep 8, 2000
Inventors
Kenneth R. LaBounty
Ross D. Christenson
Daniel P. Jacobson
Assignee (at issue)
Genesis Equipment and 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.