Granted Patent
Utility
US 4,255,800 · App. 03/833,105
Method and apparatus for locating underwater objects
Inventor:
Franklin G. Patterson, deceased
Patented Case
View Patent ↗
Granted: Mar 10, 1981
Filed: Aug 11, 1959
Inventor
Franklin G. Patterson, deceased
Assignee (at issue)
General Electric 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.