Inventor

HIRTLE MICHAEL O

5 patents

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

MATTEL INC

2 patents

US4223472ASep 23, 1980

Toy projectile launching device

MATTEL INC68 citations95

US4155194AMay 22, 1979

Toy spring-type projectile launcher having directional controlling joy stick

MATTEL INC20 citations80

TYCO IND INC

2 patents

USD281262SNov 5, 1985

Toy building block

TYCO IND INC5 citations60

USD281263SNov 5, 1985

Toy building block

TYCO IND INC3 citations60

QUAKER OATS CO

1 patent

US4318245AMar 9, 1982

Vocalizing apparatus

QUAKER OATS CO185 citations93