Granted Patent
Utility
US 4,564,801 · App. 06/728,338
Semiconductor mounted on a yoke in heat transfer relationship
Inventor:
David A. Kirby
Patented Case
View Patent ↗
Granted: Jan 14, 1986
Filed: Apr 29, 1985
Inventor
David A. Kirby
Assignee (at issue)
Lutron Electronics Co., 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.