Granted Patent
Utility
US 4,535,251 · App. 06/451,792
A.C. Solid state relay circuit and structure
Inventors:
Thomas Herman, Oliver Williams
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Dec 21, 1982
Inventors
Thomas Herman
Oliver Williams
Assignee (at issue)
International Rectifier 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.