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Edward Barry Knoles
Duarte, CA
US
8 patents
3 Patents
US12618481
2026
Diaphragm Bead Configuration
Acorn Engineering Company, Inc.
0 cites
US12359735
2025
Spring Stop for Clapper Valve
Acorn Engineering Company, Inc.
0 cites
US11976736
2024
Eccentric Backflow Preventer
Acorn Engineering Company, Inc.
0 cites