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Minneapolis, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Computer-based multifunctional personal communication system with c...
Patent number
7,542,555
Issue date
Jun 2, 2009
Multi-Tech Systems, Inc.
Ty J. Caswell
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Computer-based multifunction personal communication system with cal...
Patent number
6,009,082
Issue date
Dec 28, 1999
Multi-Tech Systems, Inc.
Ty J. Caswell
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Caller identification interface using line reversal detection
Patent number
5,905,794
Issue date
May 18, 1999
Multi-Tech Systems, Inc.
Timothy D. Gunn
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for a caller ID modem interface
Patent number
5,546,448
Issue date
Aug 13, 1996
Multi-Tech Systems, Inc.
Ty J. Caswell
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Computer-based multifunctional personal communication system with c...
Publication number
20060153176
Publication date
Jul 13, 2006
Multi-Tech Systems, Inc.
Ty J. Caswell
H04 - ELECTRIC COMMUNICATION TECHNIQUE