Granted Patent
Utility
US 4,246,434 · App. 05/971,483
Work support for vacuum electric furnaces
Inventors:
Rush B. Gunther, Prem C. Jindal
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Dec 20, 1978
Inventors
Rush B. Gunther
Prem C. Jindal
Assignee (at issue)
Abar Corporation
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.