Granted Patent
Utility
US 4,470,670 · App. 06/381,470
Method and device for indicating point of contact
Inventors:
Lloyd D. Ingle, Thomas C. Podvin
Patented Case
View Patent ↗
Granted: Sep 11, 1984
Filed: May 24, 1982
Inventors
Lloyd D. Ingle
Thomas C. Podvin
Assignee (at issue)
The Microminipulator Microscope Co., 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.