Granted Patent
Utility
US 5,130,570 · App. 07/620,768
Constant-current integrated power supply
Inventor:
Lanny L. Lewyn
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Dec 3, 1990
Inventor
Lanny L. Lewyn
Assignee (at issue)
Brooktree 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.