Granted Patent
Utility
US 4,559,421 · App. 06/586,470
Electrical connector including a make-before-break switch arrangement
Inventors:
James A. Lapke, Carl W. Schmelzle
Patented Case
View Patent ↗
Granted: Dec 17, 1985
Filed: Mar 5, 1984
Inventors
James A. Lapke
Carl W. Schmelzle
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.