P

Inventor

TRUMBULL DOUGLAS

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

SHOWSCAN FILM CORP

9 patents

RIDEFILM CORP

5 patents

ENTERTAINMENT DESIGN WORKSHOP

3 patents

MAGI INT LLC

3 patents

FUTURE GENERAL CORP

1 patent

RIDEFILM THEATERS CORP

1 patent

HITACHI LTD

1 patent

TRUMBULL DOUGLAS

1 patent

TRUMBULL VENTURES LLC

1 patent