Granted Patent
Utility
US 4,521,063 · App. 06/394,424
Printed circuit board lock
Inventor:
Thomas A. Milc
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Jul 1, 1982
Inventor
Thomas A. Milc
Assignee (at issue)
Mitel 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.