Donald W. Comstock

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Lexington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Rolling diaphragm and rolling diaphragm devices
- Patent number 3,969,991
- Issue date Jul 20, 1976
- Bellofram Corporation
- Donald W. Comstock
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...