Granted Patent
Utility
US 4,666,200 · App. 06/737,718
Safety grapple
Inventors:
Kenneth L. Walker, John R. White
Patented Case
View Patent ↗
Granted: May 19, 1987
Filed: May 28, 1985
Inventors
Kenneth L. Walker
John R. White
Assignee (at issue)
Remote Technology 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.