Walla Walla, WA, United States of America

Expando-Lok, Inc.


USPTO Granted Patents = 1

Forward Citations = 65

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3 inventors (with patents filed for the assignee):

goldMedal Nigel K Parkes (1 out of 16 patents)

silverMedal Russell Boxall (1 out of 13 patents)

bronzeMedal Ernest K Schrader (1 out of 6 patents)


1 patent:

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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#13 in Walla Walla, WA

#3,385 in Washington

#136,675 in US

Walla Walla, WA (US)
Walla Walla, WA, United States of America
Forward Citations = 65

3 inventors:

Please report any incorrect information to [email protected]
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