Granted Patent
Utility
US 5,424,506 · App. 07/860,822
Structure for and method of weld control
Inventor:
Charles J. Drake
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: May 5, 1992
Inventor
Charles J. Drake
Assignee (at issue)
Medar, 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.