Granted Patent
Utility
US 4,145,816 · App. 05/853,764
Spindle probe with orbital transformer
Inventors:
Richard E. Stobbe, Richard Johnstone
Patented Case
View Patent ↗
Granted: Mar 27, 1979
Filed: Nov 21, 1977
Inventors
Richard E. Stobbe
Richard Johnstone
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.