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For the Inventor, By the Inventor

San Francisco, CA, United States of America

Portola Dimensional Systems, Inc.


USPTO Granted Patents = 2

Forward Citations = 542

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8 inventors (with patents filed for the assignee):

goldMedal Earl David Sacerdoti (2 out of 9 patents)

silverMedal Mark Thomas Davis (1 out of 44 patents)

bronzeMedal Philip J Bernosky (1 out of 2 patents)

4.  David Foote (1 out of 1 patent)

5.  Leigh Rosser (1 out of 1 patent)

6.  Humberto C Gerola (1 out of 1 patent)

7.  John M McGraw (1 out of 1 patent)

8.  Wolfgang H Gerola (1 out of 1 patent)


2 patents:

1. 6222540 - User-friendly graphics generator including automatic correlation (2001-04-24),
2. 6188403 - User-friendly graphics generator using direct manipulation (2001-02-13),
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USPTO Data Jan 1 1976 - Jan 20 2026

2 Patents

#1,305 in San Francisco, CA

#20,592 in California

#92,911 in US

...
San Francisco, CA, United States of America

Portola Dimensional Systems, Inc.

Forward Citations = 542

8 inventors:

goldMedal Earl David Sacerdoti (2 out of 9 patents)

silverMedal Mark Thomas Davis (1 out of 44 patents)

bronzeMedal Philip J Bernosky (1 out of 2 patents)

4.  David Foote (1 out of 1 patent)

5.  Leigh Rosser (1 out of 1 patent)

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