Inventor

HART DOUGLAS S

US3 patents

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

BELLER LARRY D

2 patents

US5259692ANov 9, 1993

Ground breaking apparatus

BELLER LARRY D96 citations93

US5203729AApr 20, 1993

Auger-driven amphibious toy

BELLER LARRY D24 citations89

CRUDE TOOL WORKS

1 patent

US5203274AApr 20, 1993

Amphibious vehicle

CRUDE TOOL WORKS19 citations76