Granted Patent
Utility
US 4,376,970 · App. 06/218,488
High speed digital position monitoring system
Inventors:
Kenneth A. Ilseman, Richard W. Caddell
Patented Case
View Patent ↗
Granted: Mar 15, 1983
Filed: Dec 22, 1980
Inventors
Kenneth A. Ilseman
Richard W. Caddell
Assignee (at issue)
Kearney & Trecker 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.