Granted Patent
Utility
US 4,531,016 · App. 06/586,266
Multi-edge spring insert for twist-on connectors
Inventor:
Wolfgang Duve
Patented Case
View Patent ↗
Granted: Jul 23, 1985
Filed: Mar 5, 1984
Inventor
Wolfgang Duve
Assignee (at issue)
ARTERICA 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.