Granted Patent
Utility
US 5,629,571 · App. 08/133,969
Thyristor load detector
Inventor:
Charles A. Roudeski
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Oct 8, 1993
Inventor
Charles A. Roudeski
Assignee (at issue)
Grimes Aerospace 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.