Melvin N. Tone

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Dubuque, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Single control for gas actuated fire extinguishers
- Patent number 4,224,994
- Issue date Sep 30, 1980
- Deere & Company
- Melvin N. Tone
- A62 - LIFE-SAVING FIRE-FIGHTING