Granted Patent
Utility
US 4,750,131 · App. 06/775,027
Method of detecting faulty parts in a progressive die press
Inventor:
Miguel Martinez
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Sep 11, 1985
Inventor
Miguel Martinez
Assignee (at issue)
RCA Licensing 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.