Granted Patent
Utility
US 4,228,334 · App. 05/963,695
Dynamic microwave energy moderator
Inventors:
Clarence O. Clark, Thomas J. Flautt, Jr., Donald T. Speckman
Patented Case
View Patent ↗
Granted: Oct 14, 1980
Filed: Nov 27, 1978
Inventors
Clarence O. Clark
Thomas J. Flautt, Jr.
Donald T. Speckman
Assignee (at issue)
The Procter & Gamble Company
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.