IP Library Granted Patent US 5,111,142
Granted Patent Utility
US 5,111,142 · App. 07/564,272

Eddy current proble with adjustable position rotating head

Inventors: Daniel P. Mazzone, James D. Hoeffel, James S. Nevitt, Richard E. Elliott
Patented Case View Patent ↗
Granted: May 5, 1992 Filed: Aug 8, 1990
Inventors
Daniel P. Mazzone
James D. Hoeffel
James S. Nevitt
Richard E. Elliott
Assignee (at issue)
Systems Research Laboratories, 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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 5,111,142
App. No.
07/564,272
Filed
1990-08-08
Granted
1992-05-05
Kind
A