Granted Patent
Utility
US 4,439,249 · App. 06/506,863
Automated cutting of plate steel
Inventors:
Gurvinder Singh, William D. Jolly
Patented Case
View Patent ↗
Granted: Mar 27, 1984
Filed: Jun 22, 1983
Inventors
Gurvinder Singh
William D. Jolly
Assignees (at issue)
VICTOR EQUIPMENT COMPANY
ESAB North America, Incorporated
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.