Granted Patent
Utility
US 4,332,998 · App. 06/182,050
Apparatus for welding automotive brake shoes
Inventor:
Lawrence A. Boros
Patented Case
View Patent ↗
Granted: Jun 1, 1982
Filed: Aug 28, 1980
Inventor
Lawrence A. Boros
Assignee (at issue)
Rockwell International 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.