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For the Inventor, By the Inventor

Winnipeg, Canada

Syn-Tex Convertors Ltd.


USPTO Granted Patents = 1

Forward Citations = 12

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1 inventor (with patents filed for the assignee):

goldMedal Edward John Cavenagh (1 out of 6 patents)


1 patent:

1. 6929021 - Inflation/deflation valve for a bag to be filled with air (2005-08-16),
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USPTO Data Jan 1 1976 - Sep 29 2026

1 Patents

#132 in Winnipeg

#9,437 in Canada

Winnipeg, CA
Winnipeg, Canada

Syn-Tex Convertors Ltd.

Forward Citations = 12

1 inventor:

goldMedal Edward John Cavenagh (1 out of 6 patents)

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