Granted Patent
Utility
US 5,332,981 · App. 07/923,862
Temperature variable attenuator
Inventors:
Joseph Mazzochette, John R. Steponick
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: Jul 31, 1992
Inventors
Joseph Mazzochette
John R. Steponick
Assignee (at issue)
EMC Tech Co., Ltd.
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.