Granted Patent
Utility
US 4,484,175 · App. 06/429,987
Rotary beacon
Inventor:
Richard M. McCarthy
Patented Case
View Patent ↗
Granted: Nov 20, 1984
Filed: Sep 30, 1982
Inventor
Richard M. McCarthy
Assignee (at issue)
R. E. Dietz Co.
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.