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Inventor

SIMMONS WALTER JOHN

US25 patents
⚠️ This page may combine multiple inventors who share the name “SIMMONS WALTER JOHN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DU PONT

11 patents

TERRASIMCO INC

5 patents

SIMMONS WALTER JOHN

4 patents

J LOK CO

2 patents

FCI HOLDINGS DELAWARE INC

1 patent

J-LOK CO

1 patent

VOGUS CHARLES B

1 patent