Granted Patent
Utility
US 4,523,749 · App. 06/471,446
Hole forming machine with adjustable work clamps
Inventors:
Lee Kindgren, William B. Scott, Robert W. Voges
Patented Case
View Patent ↗
Granted: Jun 18, 1985
Filed: Mar 2, 1983
Inventors
Lee Kindgren
William B. Scott
Robert W. Voges
Assignee (at issue)
W.A. Whitney Co.
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.