Inventor

WHITMARSH SEAN J

US3 patents

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

RICON CORP

2 patents

US6043741AMar 28, 2000

Threshold warning system for wheelchair lifts

RICON CORP34 citations87

US6236905B1May 22, 2001

Method of and apparatus for providing self-learning correction to platform positioning movement

RICON CORP15 citations79

DUPONT JAMES H

1 patent

US8713912B2May 6, 2014

Solid propellant rocket motors employing tungsten alloy burst discs and methods for the manufacture thereof

DUPONT JAMES H3 citations58