Granted Patent
Utility
US 4,368,375 · App. 06/365,043
Welding torch oscillating mechanical apparatus
Inventors:
George J. Merrick, George E. Cook, Donald D. Modglin
Patented Case
View Patent ↗
Granted: Jan 11, 1983
Filed: Apr 2, 1982
Inventors
George J. Merrick
George E. Cook
Donald D. Modglin
Assignee (at issue)
Merrick & Company
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.