Individual holder
SPENCE ALVIN G
US·2 granted patents·7 citations·filing 2007–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 records- 0173US8721951B2Multi-layer rotationally molded low permeation vessels and method for manufacture thereofSPENCE ALVIN G·Filed 2011·Granted May 13, 2014·3 cites·27 claims
- 0271US8597747B2Multi-layer rotationally molded low permeation vessels and method for manufacture therofSPENCE ALVIN G·Filed 2007·Granted Dec 3, 2013·4 cites·26 claims
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