Granted Patent
Utility
US 5,352,122 · App. 07/990,958
Rotatable electrical connector
Inventors:
Henning J. Speyer, Franklin Fong
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Dec 15, 1992
Inventors
Henning J. Speyer
Franklin Fong
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.