Granted Patent
Utility
US 4,849,600 · App. 07/234,971
Constant temperature welding method
Inventors:
Roman Herschitz, Scott T. Demarest, Stephen H. Chu, John G. Leung
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Aug 22, 1988
Inventors
Roman Herschitz
Scott T. Demarest
Stephen H. Chu
John G. Leung
Assignee (at issue)
General Electric 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.