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Inventor
GRIFFIN CHARLES
2 patents
⚠️ This page may combine multiple inventors who share the name “GRIFFIN CHARLES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LOCKWOOD CORP
1 patent
US3937237A
Feb 10, 1976
Univalve irrigation system
LOCKWOOD CORP
4 citations
54
BOONE RALPH D
1 patent
US4084610A
Apr 18, 1978
Two-step roll ahead irrigation system
BOONE RALPH D
4 citations
52