Inventor · disambiguated record
Archibald M. Pettigrew
Also filed as: PETTIGREW ARCHIBALD M · PETTIGREW ARCHIBALD MCGILVRAY
5 granted patents·1 pending application·27 citations·filing 1979–2009
76Inventor score
Files withBURROUGHS CORP1ELCOMATIC LTD1GOVERNORS OF PAISLEY COLLEGE O1PETTIGREW ARCHIBALD M1PETTIGREW ARCHIBALD MCGILVRAY1
Top patents by PatentIndex Score
6 records- 0155US4370683ACross-coupled servo control mechanism for reel-to-reel tape drivesBURROUGHS CORP·Filed 1979·Granted Jan 25, 1983·9 cites·10 claims
- 0240US4376958AModified frequency modulationELCOMATIC LTD·Filed 1980·Granted Mar 15, 1983·6 cites·18 claims
- 0337US2010225387A1FM demodulator apparatus and method includes an amplitude locked loop and a delay-line quadrature detector without the use of a limited amplifierPETTIGREW ARCHIBALD MCGILVRAY·Filed 2009·Application pending·0 cites
- 0436US5341106AAmplitude locked loop circuitsGOVERNORS OF PAISLEY COLLEGE O·Filed 1991·Granted Aug 23, 1994·9 cites·2 claims
- 0526US4499508ADigital magnetic recordingPETTIGREW ARCHIBALD M·Filed 1982·Granted Feb 12, 1985·2 cites·9 claims
- 0615US6615029B1Electronic circuitsFiled 1999·Granted Sep 2, 2003·1 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →