Granted Patent
Utility
US 4,284,841 · App. 06/073,414
Cable
Inventors:
Donatas Tijunelis, Clinton Boyd, Joseph E. Vandevier
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Sep 7, 1979
Inventors
Donatas Tijunelis
Clinton Boyd
Joseph E. Vandevier
Assignee (at issue)
Centrilift
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.