Gemstone

Development

Group

TM

Gemstone LOGO

1-815-861-3583

donfstrauss@gmail.com

dfs.sbc.dev@gmail.com

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Gemstone Group Inc.

Creatied Projects by contract.

Gemstone Group Inc. Stock Certificate
Apple II Card Auto Dailer The Start of Crazy
Apple II Auto Ram Card 1MegaByte
Internal Layers of layer PCB Johnathan Project
Apple II PCB Johnathan Project Main CPU
Apple II PCB Johnathan Project CD Rom Controller CPU

 

Home  815-923-2401

Cell  815-861-3583

 

donfstrauss@gmail.com

dfstrauss@hotmail.com

d.f.strauss57@gmail.com

dfs.sbc.dev@gmail.con