For the Inventor, By the Inventor

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Midvale, UT, United States of America

Intelligent Modem Corporation

USPTO Granted Patents = 3

Forward Citations = 106

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4 inventors (with patents filed for the assignee):

Donald L Chaffee (2 out of 4 patents)

Mark P Mallory (2 out of 2 patents)

W Kurt Dobson (1 out of 1 patent)

4. Graham H Brand (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 5128964 - Modulation method and apparatus for multicarrier data transmission (1992-07-07),

2. 5117418 - Frequency domain adaptive echo canceller for full-duplex data (1992-05-26),

3. 4943980 - Multi-carrier high speed modem (1990-07-24),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#13 in Midvale, UT

#953 in Utah

#72,030 in US

Midvale, UT, United States of America

Intelligent Modem Corporation

Forward Citations = 106

4 inventors:

Donald L Chaffee (2 out of 4 patents)

Mark P Mallory (2 out of 2 patents)

W Kurt Dobson (1 out of 1 patent)

4. Graham H Brand (1 out of 1 patent)

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