P

Assignee

DOUGLAS STEVEN L

US3 patents

Top patents by PatentIndex Score

US8083519B2Dec 27, 2011

Burner nozzle

DOUGLAS STEVEN L9 citations78
US8211191B2Jul 3, 2012

Upright gasifier

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US8444724B2May 21, 2013

Upright gasifier

DOUGLAS STEVEN L2 citations54