Granted Patent
Utility
US 4,521,828 · App. 06/452,662
Component module for piggyback mounting on a circuit package having dual-in-line leads
Inventor:
William J. Fanning
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Dec 23, 1982
Inventor
William J. Fanning
Assignee (at issue)
AT&T Technologies Incorporated
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.