Robert D. Carnahan

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Barrington, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Polymeric materials containing semiconducting refractory oxides
- Patent number 4,175,152
- Issue date Nov 20, 1979
- UOP Inc.
- Robert D. Carnahan
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Novel compositions of matter
- Patent number 4,107,092
- Issue date Aug 15, 1978
- UOP Inc.
- Robert D. Carnahan
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of forming a conducting material for a conducting device
- Patent number 4,018,943
- Issue date Apr 19, 1977
- Universal Oil Products Company
- Karl J. Youtsey
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Electrical resistor inks
- Patent number 3,992,212
- Issue date Nov 16, 1976
- Universal Oil Products Company
- Karl J. Youtsey
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Precision type resistor
- Patent number 3,973,234
- Issue date Aug 3, 1976
- Universal Oil Products Company
- Karl J. Youtsey
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Duplex resistor inks
- Patent number 3,947,277
- Issue date Mar 30, 1976
- Universal Oil Products Company
- Robert D. Carnahan
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...