William J. Valeri

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Pengilly, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Crossover unit utilizing slotted pad and wedge-shaped closure strip
- Patent number 4,067,258
- Issue date Jan 10, 1978
- Irathane Systems Incorporated
- William J. Valeri
- A62 - LIFE-SAVING FIRE-FIGHTING