Patrick H. Casselman

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Ogdensburg, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Low power dialer
- Patent number 6,185,297
- Issue date Feb 6, 2001
- Mitel, Inc.
- Patrick H. Casselman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Low frequency discrimator using upper and lower thresholds
- Patent number 5,546,025
- Issue date Aug 13, 1996
- Mitel, Inc.
- Patrick H. Casselman
- G01 - MEASURING TESTING