Inventor

CULKIN JOSEPH BRADLEY

US3 patents

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

CALVEST ASSOCIATES INC

2 patents

US5725767AMar 10, 1998

Torsion resistant filter structure

CALVEST ASSOCIATES INC33 citations84

US6275270B1Aug 14, 2001

Video display and image intensifier system

CALVEST ASSOCIATES INC4 citations54

PHOTEGRA CORP

1 patent

US7944146B2May 17, 2011

Photocathode lighting device, method for manufacturing the same and exposure apparatus using photocathode lighting device

PHOTEGRA CORP0 citations35