Granted Patent
Utility
US 4,639,666 · App. 06/644,422
Metal detector sensitivity adjustment and test assembly
Inventors:
Richard P. Strosser, Carl E. Bohman, Mark K. Chow
Patented Case
View Patent ↗
Granted: Jan 27, 1987
Filed: Aug 27, 1984
Inventors
Richard P. Strosser
Carl E. Bohman
Mark K. Chow
Assignee (at issue)
New Holland, 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.