Granted Patent
Utility
US 4,923,414 · App. 07/374,711
Compliant section for circuit board contact elements
Inventor:
Fred C. Sitzler
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Jul 3, 1989
Inventor
Fred C. Sitzler
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.