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For the Inventor, By the Inventor

Shorewood, MN, United States of America

Information Exchange Systems, Inc.


USPTO Granted Patents = 2

Forward Citations = 35

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4 inventors (with patents filed for the assignee):

goldMedal Ronald R Johnson (2 out of 7 patents)

silverMedal David C Burns (1 out of 4 patents)

bronzeMedal Robert J Kirscht (1 out of 1 patent)

4.  Dennis L Johnson (1 out of 1 patent)


2 patents:

1. 4727509 - Master/slave system for replicating/formatting flexible magnetic (1988-02-23),
2. 4720230 - Triple combination flexible diskette picker (1988-01-19),
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USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#4 in Shorewood, MN

#2,526 in Minnesota

#94,648 in US

Shorewood, MN (US)
Shorewood, MN, United States of America

Information Exchange Systems, Inc.

Forward Citations = 35

4 inventors:

goldMedal Ronald R Johnson (2 out of 7 patents)

silverMedal David C Burns (1 out of 4 patents)

bronzeMedal Robert J Kirscht (1 out of 1 patent)

4.  Dennis L Johnson (1 out of 1 patent)

Please report any incorrect information to [email protected]
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