Granted Patent
Utility
US 5,128,507 · App. 06/575,499
Weld control structure for and method of delaying initiation of a weld
Inventor:
Charles J. Drake
Patented Case
View Patent ↗
Granted: Jul 7, 1992
Filed: Jan 30, 1984
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.