Granted Patent
Utility
US 4,402,185 · App. 06/337,786
Thermoelectric (peltier effect) hot/cold socket for packaged I.C. microprobing
Inventor:
Robert M. Perchak
Patented Case
View Patent ↗
Granted: Sep 6, 1983
Filed: Jan 7, 1982
Inventor
Robert M. Perchak
Assignee (at issue)
NCR Corporation
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.