Granted Patent
Utility
US 5,204,912 · App. 07/749,479
Defect verification and marking system for use with printed circuit boards
Inventor:
Freddie G. Schimanski
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Aug 15, 1991
Inventor
Freddie G. Schimanski
Assignee (at issue)
Gerber Systems 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.