Hyunjun Chun

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Belleville, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Helical coil spring damper assembly
- Patent number 6,789,790
- Issue date Sep 14, 2004
- Frank H. Speckhart
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Helical coil spring damper assembly
- Publication number 20030230836
- Publication date Dec 18, 2003
- Frank H. Speckhart
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...