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For the Inventor, By the Inventor

Erin, Canada

Respan Products, Inc.


USPTO Granted Patents = 3

% Expired Patents = 33.3

Trademarks = 2

Forward Citations = 47

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3 inventors (with patents filed for the assignee):

goldMedal Gerhard A Hacke (3 out of 3 patents)

silverMedal Cornel C Hacke (3 out of 3 patents)

bronzeMedal Martin P Foley (1 out of 73 patents)


3 patents:

1. 8622058 - Medical air tubing connection system (2014-01-07),
2. 8342179 - Disposable mask assembly with exhaust filter and valve disc and method of assembling same (2013-01-01),
3. 7559323 - Disposable mask assembly with exhaust filter (2009-07-14),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#1 in Erin

#4,365 in Canada

Erin, CA
Erin, Canada

Respan Products, Inc.

Forward Citations = 47

3 inventors:

goldMedal Gerhard A Hacke (3 out of 3 patents)

silverMedal Cornel C Hacke (3 out of 3 patents)

bronzeMedal Martin P Foley (1 out of 73 patents)

Please report any incorrect information to [email protected]
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