Donavon L. Feaster

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Mattapoisett, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Catalytic booster device for vehicular exhaust systems and method o...
- Patent number 4,444,725
- Issue date Apr 24, 1984
- Donavon L. Feaster
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Roll section and manufacture of sleeved roller therewith
- Patent number 4,012,821
- Issue date Mar 22, 1977
- Mount Hope Machinery Company, Incorporated
- Donavon L. Feaster
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...