Granted Patent
Utility
US 4,943,955 · App. 07/317,962
Atomic clock
Inventors:
Jean Rabian, Jean-Claude Potet, Michel Buchon
Patented Case
View Patent ↗
Granted: Jul 24, 1990
Filed: Mar 2, 1989
Inventors
Jean Rabian
Jean-Claude Potet
Michel Buchon
Assignee (at issue)
Societe d'Etudes, Recherches et Constructions Electroniques - Sercel
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.