IP Library Granted Patent US 5,225,025
Granted Patent Utility
US 5,225,025 · App. 07/699,378

Apparatus and method for resistance welding

Inventors: Cynthia L. T. Lambing, Stephen M. Andersen, Scott Holmes, Roderic Don, Scott Leach, John W. Gillespie, Jr.
Patented Case View Patent ↗
Granted: Jul 6, 1993 Filed: May 14, 1991
Inventors
Cynthia L. T. Lambing
Stephen M. Andersen
Scott Holmes
Roderic Don
Scott Leach
John W. Gillespie, Jr.
Assignee (at issue)
Aluminum Company of America

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 5,225,025
App. No.
07/699,378
Filed
1991-05-14
Granted
1993-07-06
Kind
A