GD

Gary W. Deffner

AM Ampex: 1 patents #119 of 247Top 50%
AS A.R. Wilfley & Sons: 1 patents #8 of 17Top 50%
Overall (All Time): #2,283,016 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5580215 Centrifugal pump with electromagnetic actuator mechanism John E. Sidelko, Douglas W. Drussel 1996-12-03
4841800 Adjustable control lever Thomas R. Goldberg 1989-06-27