Robert A. Martin

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Northville, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of joining foam patterns for evaporative casting process
- Patent number 4,640,728
- Issue date Feb 3, 1987
- Ford Motor Company
- Robert A. Martin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Foam pattern assembly for use in evaporative casting process
- Patent number 4,640,333
- Issue date Feb 3, 1987
- Ford Motor Company
- Robert A. Martin
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of making thin-walled ductile iron castings
- Patent number 4,638,846
- Issue date Jan 27, 1987
- Ford Motor Company
- Allen D. Ackerman
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Thin-walled exhaust gas manifold casting
- Patent number 4,372,112
- Issue date Feb 8, 1983
- Ford Motor Company
- Allen D. Ackerman
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES