Granted Patent
Utility
US 4,930,354 · App. 07/318,862
Automatic bond determinator
Inventors:
Leslie C. Knopp, Kenneth M. Baumgartle
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Mar 6, 1989
Inventors
Leslie C. Knopp
Kenneth M. Baumgartle
Assignee (at issue)
Hartley Controls Corporation
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.