Granted Patent
Utility
US 4,621,887 · App. 06/241,802
Electrical contact
Inventors:
R. Amelia Piscitelli, David O. Gallusser, David L. Frear, Valentine J. Hemmer, Charles P. Fischer
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Mar 9, 1981
Inventors
R. Amelia Piscitelli
David O. Gallusser
David L. Frear
Valentine J. Hemmer
Charles P. Fischer
Assignee (at issue)
ALLIED CONSULTING, INC.
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.