John T. Trnka

Follow

Person

Rochester, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Personalizable semiconductor chips for analog and analog/digital ci...
- Patent number 5,517,040
- Issue date May 14, 1996
- International Business Machines Corporation
- Robert L. Hedman
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fiber link control safety system
- Patent number 5,136,410
- Issue date Aug 4, 1992
- IBM Corporation
- Gerald M. Heiling
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data processing system having four phase clocks generated separatel...
- Patent number 5,124,571
- Issue date Jun 23, 1992
- International Business Machines Corporation
- Ronald D. Gillingham
- G06 - COMPUTING CALCULATING COUNTING
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
Digital-to-analog converter
- Patent number 4,484,178
- Issue date Nov 20, 1984
- International Business Machines Corporation
- Jeffrey L. Lovgren
- H03 - BASIC ELECTRONIC CIRCUITRY