Charles P. Spell II

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Clinton, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Pulsation damper for a hydraulic elevator
- Patent number 6,029,708
- Issue date Feb 29, 2000
- Inventio AG
- Charles P. Spell
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...