Curtis R. Nelson

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Cedar Rapids, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for visually differentiating industrial personal...
- Patent number 6,721,175
- Issue date Apr 13, 2004
- Crystal Group INC
- Curtis R. Nelson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for quickly connecting a 1U personal computer
- Patent number 6,711,012
- Issue date Mar 23, 2004
- Crystal Group INC
- David T. Medin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and system for quickly connecting a 1U personal computer
- Patent number 6,549,400
- Issue date Apr 15, 2003
- Crystal Group INC
- David T. Medin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Upgradeable system and method for connecting a 1U personal computer
- Patent number 6,496,364
- Issue date Dec 17, 2002
- Crystal Group INC
- David T. Medin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method and system for visually differentiating industrial personal...
- Patent number 6,490,151
- Issue date Dec 3, 2002
- Crystal Group INC
- Curtis R. Nelson
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Computer faceplate
- Patent number D439582
- Issue date Mar 27, 2001
- Crystal Group INC
- Craig J. Jensen
- D14 - Recording, communication, or information retrieval equipment