Roger D. Johnson — 12 Patents at Google

Roger D. Johnson has been granted 12 US patents while listed as an inventor at Google. The first was granted in 1981 and the most recent in July 2003. Roger D. Johnson ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Roger D. Johnson in Asheville, NC, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6588140	Pest control system	Thomas T. Danley	2003-07-08
6141901	Pest control system	Thomas T. Danley	2000-11-07
5538748	Process for mixing fluid materials	Jack K. Boatman, John T. Farnsworth, Linda A. Young	1996-07-23
5486049	Apparati for mixing fluid substances	Jack K. Boatman, John T. Farnsworth, Linda A. Young	1996-01-23
5443092	Fluid flow valve device and assemblies containing it	John T. Farnsworth	1995-08-22
5238385	Extrusion die assembly	—	1993-08-24
5165949	Process for producing extruded food products	John T. Farnsworth, Gary W. Obrecht, Linda A. Young	1992-11-24
5120554	Method for producing extruded center filled products	John T. Farnsworth, Gary W. Obrecht, Linda A. Young	1992-06-09
5110276	Extrusion die assembly	John T. Farnsworth, Gary W. Obrecht, Linda A. Young	1992-05-05
5067645	Apparatus for sizing elongated food pieces	—	1991-11-26
4779634	Apparatus for rinsing food particles in a container	Daphne Gutierrez	1988-10-25
4244483	Electrical wiring box	Claude J. Bauer	1981-01-13	$1,876,000

Roger D. Johnson — 12 Patents

Issued Patents All Time

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