Karl E. Bahr

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Hooksett, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of soldering an integrated circuit
- Patent number 5,317,803
- Issue date Jun 7, 1994
- Sierra Research and Technology, Inc.
- Donald J. Spigarelli
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Infrared heater array for IC soldering reflective members
- Patent number 5,278,938
- Issue date Jan 11, 1994
- Sierra Research and Technology, Inc.
- Donald J. Spigarelli
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Infrared heater array for IC soldering
- Patent number 5,060,288
- Issue date Oct 22, 1991
- Sierra Research and Technology, Inc.
- Donald J. Spigarelli
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR