Gary W. Deffner — 2 Patents at Ampex

Gary W. Deffner — 2 Patents

AMAmpex: 1 patents #119 of 247Top 50%

ASA.R. Wilfley & Sons: 1 patents #8 of 17Top 50%

Arvada, CO: #451 of 1,140 inventorsTop 40%

Colorado: #17,188 of 40,980 inventorsTop 45%

Overall (All Time): #1,709,992 of 4,157,543Top 45%

Gary W. Deffner has been granted 2 US patents while listed as an inventor at Ampex. The first was granted in 1989 and the most recent in December 1996. Gary W. Deffner ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Gary W. Deffner in Arvada, CO, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
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

Gary W. Deffner — 2 Patents

Issued Patents All Time

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