Douglas D. Castle

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Crystal, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Cabinet housing for optical imaging of fingerprints
- Patent number D346158
- Issue date Apr 19, 1994
- Digital Biometrics, Inc.
- Bruce N. Stanger
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Cabinet for optical imaging of fingerprints
- Patent number D325196
- Issue date Apr 7, 1992
- Digital Biometrics, Inc.
- Bruce N. Stanger
- D14 - Recording, communication, or information retrieval equipment