AS

Alvin G. Spence

CE Centro: 3 patents #3 of 8Top 40%
Overall (All Time): #1,530,667 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8911842 Multi-layer rotationally molded low permeation vessels and method for manufacture thereof Jeremy R. Knepper, Daniel D. Grimes 2014-12-16
8721951 Multi-layer rotationally molded low permeation vessels and method for manufacture thereof Jeremy R. Knepper, Daniel D. Grimes 2014-05-13
8597747 Multi-layer rotationally molded low permeation vessels and method for manufacture therof Jeremy R. Knepper, Daniel D. Grimes 2013-12-03