Granted Patent
Utility
US 4,676,583 · App. 06/729,647
Adscititious resonator
Inventor:
John W. Hicks, Jr.
Patented Case
View Patent ↗
Granted: Jun 30, 1987
Filed: May 2, 1985
Inventor
John W. Hicks, Jr.
Assignee (at issue)
Polaroid 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.