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Inventor
COY CALVIN L
US
2 patents
⚠️ This page may combine multiple inventors who share the name “COY CALVIN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANRON CORP
1 patent
US4554697A
Nov 26, 1985
Ballast brooms
CANRON CORP
7 citations
61
TAMPER CORP
1 patent
US4899664A
Feb 13, 1990
Split workhead
TAMPER CORP
2 citations
55