Granted Patent
Utility
US 4,187,974 · App. 05/885,930
Condensation soldering facility
Inventor:
Roop L. Mahajan
Patented Case
View Patent ↗
Granted: Feb 12, 1980
Filed: Mar 13, 1978
Inventor
Roop L. Mahajan
Assignee (at issue)
Western Electric Company, 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.