Robert A. Merkin

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Nacogdoches, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Seal device
- Patent number 6,530,573
- Issue date Mar 11, 2003
- JM Clipper Corporation
- Robert A. Merkin
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Seal device
- Patent number 6,164,657
- Issue date Dec 26, 2000
- JM Clipper Corporation
- Robert A. Merkin
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Seal device
- Patent number 5,735,530
- Issue date Apr 7, 1998
- JM Clipper Corporation
- Robert A. Merkin
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Sealing ring
- Patent number 5,297,805
- Issue date Mar 29, 1994
- J.M. Clipper Corp.
- Robert A. Merkin
- E21 - EARTH DRILLING MINING