Inventor
O BRIAN EDWARD D
15 patents
⚠️ This page may combine multiple inventors who share the name “O BRIAN EDWARD D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRIAN EDWARD D O
14 patentsUS4122638AOct 31, 1978
Folding structures considered to be primarily useful for play purposes
BRIAN EDWARD D O65 citations95
US4142782AMar 6, 1979
Display arrangements employing thermochromic compositions
BRIAN EDWARD D O31 citations92
US4822314AApr 18, 1989
Interlocking container and toy block sets
BRIAN EDWARD D O32 citations91
US4166343ASep 4, 1979
Collapsible structures
BRIAN EDWARD D O55 citations91
US4109427AAug 29, 1978
Foldable structures considered to be primarily useful as doghouses
BRIAN EDWARD D O38 citations91
US4085762AApr 25, 1978
Folding, rigid, tent-like structure
BRIAN EDWARD D O49 citations91
US4437413AMar 20, 1984
Folding structure employing a Sarrus linkage
BRIAN EDWARD D O33 citations86
US4159112AJun 26, 1979
Folding structure used as a climber for preschool children
BRIAN EDWARD D O29 citations81
US4365799ADec 28, 1982
Folding slide and platform structure
BRIAN EDWARD D O11 citations72
US4198069AApr 15, 1980
Folding three-cornered vehicle
BRIAN EDWARD D O7 citations72
US4138140AFeb 6, 1979
Folding structures useful as two-wheeled carts
BRIAN EDWARD D O7 citations72
US4109933AAug 29, 1978
Folding wheelbarrows
BRIAN EDWARD D O17 citations72
US4753439AJun 28, 1988
Message type recording psychographs
BRIAN EDWARD D O6 citations62
US4371167AFeb 1, 1983
Psychographs with sound producing members
BRIAN EDWARD D O4 citations62