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For the Inventor, By the Inventor

Manchester, NH, United States of America

Summa Four, Inc.


USPTO Granted Patents = 3

Forward Citations = 221

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13 inventors (with patents filed for the assignee):

goldMedal William F Haskett (1 out of 2 patents)

silverMedal Helmut Koch (1 out of 2 patents)

bronzeMedal Paul Robert Schechinger (1 out of 5 patents)

4.  David J Luneau (1 out of 10 patents)

5.  Michael E Cote (1 out of 1 patent)

6.  Peter Sandstrom (1 out of 1 patent)

7.  Gerry Tenuta (1 out of 1 patent)

8.  Alan Tingley (1 out of 1 patent)

9.  Kenneth St Hilaire (1 out of 1 patent)

10.  Paul Nelson (1 out of 1 patent)

11.  Chuck Kolbenson (1 out of 1 patent)

12.  David G Prince (1 out of 1 patent)

13.  John T Boatwright (1 out of 1 patent)


3 patents:

1. 5594727 - Telephone switch providing dynamic allocation of time division multiplex (1997-01-14),
2. 5426634 - Flexible call-processing apparatus for ISDN telephone channels (1995-06-20),
3. 4232199 - Special services add-on for dial pulse activated telephone switching (1980-11-04),
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USPTO Data Jan 1 1976 - Dec 23 2025

3 Patents

#31 in Manchester, NH

#468 in New Hampshire

#71,950 in US

...
Manchester, NH, United States of America

Summa Four, Inc.

Forward Citations = 221

13 inventors:

goldMedal William F Haskett (1 out of 2 patents)

silverMedal Helmut Koch (1 out of 2 patents)

bronzeMedal Paul Robert Schechinger (1 out of 5 patents)

4.  David J Luneau (1 out of 10 patents)

5.  Michael E Cote (1 out of 1 patent)

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