Granted Patent
Utility
US 4,820,190 · App. 07/098,183
Electrical component mounting and connection assembly
Inventor:
David T. Humphrey
Patented Case
View Patent ↗
Granted: Apr 11, 1989
Filed: Sep 18, 1987
Inventor
David T. Humphrey
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.