Don S. Slack

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Mill Valley, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Spiral piston ring with tapered ends and recesses
- Patent number 4,576,381
- Issue date Mar 18, 1986
- Rix Industries
- Don S. Slack
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...