Inventor

SPENCE DOUGLAS

US2 patents

⚠️ This page may combine multiple inventors who share the name “SPENCE DOUGLAS”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BUSEK CO INC

1 patent

US7932492B2Apr 26, 2011

Electrospray device

BUSEK CO INC25 citations87

DEMMONS NATHANIEL

1 patent

US8448419B2May 28, 2013

Electrospray source

DEMMONS NATHANIEL8 citations73