Granted Patent
Utility
US 6,000,154 · App. 09/028,794
Quick change attachment for powered auxiliary tool
Inventors:
Craig A. Berard, Wally L. Kaczmarski
Patented Case
View Patent ↗
Granted: Dec 14, 1999
Filed: Feb 24, 1998
Inventors
Craig A. Berard
Wally L. Kaczmarski
Assignee (at issue)
CLARK EQUIPMENT 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.