Granted Patent
Utility
US 4,146,771 · App. 05/781,028
Apparatus for making a side terminal weld
Inventor:
Ralph G. Tiegel
Patented Case
View Patent ↗
Granted: Mar 27, 1979
Filed: Mar 24, 1977
Inventor
Ralph G. Tiegel
Assignee (at issue)
Tiegel Manufacturing 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.