Research/Patents/US 7696460
US 7696460

FREQUENCY ADJUSTING ARRANGEMENT

Assignee

Filed

Feb 16, 1978

Granted

Apr 13, 2010

Location

Needham MA US

35 USC §181 Secrecy Order

Imposed

Oct 6, 1982

Rescinded

Sep 7, 2000

Duration

17 years, 11 months

Inventor

  • 1George R. Spencer
Back to patent indexSource: USPTO 35 USC §181 secrecy order records