Granted Patent
Utility
US 6,487,797 · App. 09/698,397
Speed/force adjustable implement linkage for an excavator
Inventors:
Yonezo Inoue, Allen E. Kimble
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Oct 27, 2000
Inventors
Yonezo Inoue
Allen E. Kimble
Assignee (at issue)
JRB Company, 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.