Granted Patent
Utility
US 4,612,633 · App. 06/509,934
Sonar apparatus with means to transmit and print on alternate cycles
Inventor:
Ronald G. Weber
Patented Case
View Patent ↗
Granted: Sep 16, 1986
Filed: Jul 1, 1983
Inventor
Ronald G. Weber
Assignee (at issue)
Lowrance Electronics, Inc.
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.