Inventor

HALL ROCKNE

US3 patents

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

TECHNIFEX INC

2 patents

US6802782B2Oct 12, 2004

Apparatus for producing a fire special effect

TECHNIFEX INC35 citations89

US6685574B2Feb 3, 2004

Apparatus for producing a fire special effect using steam

TECHNIFEX INC37 citations88

TECHNIFEX

1 patent

US4738522AApr 19, 1988

Method and apparatus for coordinated super imposition of images in a visual display

TECHNIFEX48 citations84