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 patentsUSD292223SOct 6, 1987
Toy robot or the like
SHOWSCAN FILM CORP111 citations96
US4874162AOct 17, 1989
Motion picture amusement ride
SHOWSCAN FILM CORP30 citations92
US4752065AJun 21, 1988
Motion picture amusement ride
SHOWSCAN FILM CORP34 citations92
US4798376AJan 17, 1989
Amusement ride apparatus with a plurality of individually tiltable frames
SHOWSCAN FILM CORP23 citations82
US4889423ADec 26, 1989
Conversion of high to low frame rate motion picture films
SHOWSCAN FILM CORP18 citations73
USD292224SOct 6, 1987
Hand control for a toy robot or the like
SHOWSCAN FILM CORP12 citations73
US4560260ADec 24, 1985
Motion picture system
SHOWSCAN FILM CORP9 citations73
US4477160AOct 16, 1984
Motion picture system
SHOWSCAN FILM CORP11 citations73
US4645318AFeb 24, 1987
Apparatus for projecting a largely 360° motion picture image
SHOWSCAN FILM CORP6 citations62
RIDEFILM CORP
5 patentsUS5433670AJul 18, 1995
Compact simulator system theater
RIDEFILM CORP73 citations96
US5199875AApr 6, 1993
Method and apparatus for generating supplemental motion in a simulator
RIDEFILM CORP70 citations96
US5795228AAug 18, 1998
Interactive computer-based entertainment system
RIDEFILM CORP507 citations93
US5584697ADec 17, 1996
Simulator system having a suspended passenger platform
RIDEFILM CORP47 citations92
US5499920AMar 19, 1996
Method of generating an event simulation
RIDEFILM CORP46 citations92
ENTERTAINMENT DESIGN WORKSHOP
3 patentsUS6769771B2Aug 3, 2004
Method and apparatus for producing dynamic imagery in a visual medium
ENTERTAINMENT DESIGN WORKSHOP119 citations98
US7070277B2Jul 4, 2006
Method and apparatus for producing dynamic imagery in a visual medium
ENTERTAINMENT DESIGN WORKSHOP17 citations92
US6454411B1Sep 24, 2002
Method and apparatus for direct projection of an image onto a human retina
ENTERTAINMENT DESIGN WORKSHOP41 citations92
MAGI INT LLC
3 patentsUS11859378B2Jan 2, 2024
Portable motion picture theater
MAGI INT LLC0 citations59
US11223818B2Jan 11, 2022
Method and apparatus for photographing and projecting moving images in three dimensions
MAGI INT LLC0 citations59
US12058307B2Aug 6, 2024
Method and apparatus for projecting 2D and 3D motion pictures at high frame rates
MAGI INT LLC0 citations48