Granted Patent
Utility
US 4,412,642 · App. 06/358,412
Cast solder leads for leadless semiconductor circuits
Inventor:
John R. Fisher
Patented Case
View Patent ↗
Granted: Nov 1, 1983
Filed: Mar 15, 1982
Inventor
John R. Fisher
Assignee (at issue)
Western Electric Company, 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.