Granted Patent
Utility
US 4,151,395 · App. 05/702,864
Method and apparatus for electric arc and analogous welding under precision control
Inventors:
Cherie Elaine Kushner, Paul A. Tews, Jerome W. Nelson
Patented Case
View Patent ↗
Granted: Apr 24, 1979
Filed: Jul 6, 1976
Inventors
Cherie Elaine Kushner
Paul A. Tews
Jerome W. Nelson
Assignee (at issue)
CRC-Crose International, 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.