Dennis L. Karst

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Rochester, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Optical device heat spreader and thermal isolation apparatus
- Patent number 5,513,073
- Issue date Apr 30, 1996
- International Business Machines Corporation
- Timothy R. Block
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Apparatus for extending bandwidth of large core fiber optic transmi...
- Patent number 5,504,828
- Issue date Apr 2, 1996
- International Business Machines Corporation
- Michael F. Cina
- G02 - OPTICS
Information Patent Grant
Method for extending bandwidth of large core fiber optic transmissi...
- Patent number 5,495,545
- Issue date Feb 27, 1996
- International Business Machines Corporation
- Michael F. Cina
- G02 - OPTICS
Information Patent Grant
Optical fiber link card
- Patent number 5,069,522
- Issue date Dec 3, 1991
- International Business Machines Corporation
- Timothy R. Block
- G02 - OPTICS
Information Patent Grant
Optical fiber link card
- Patent number 5,039,194
- Issue date Aug 13, 1991
- International Business Machines Corporation
- Timothy R. Block
- G02 - OPTICS
Information Patent Grant
Optical communication signal source
- Patent number 4,917,453
- Issue date Apr 17, 1990
- International Business Machines Corporation
- Timothy R. Block
- G02 - OPTICS