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For the Inventor, By the Inventor

Lone Tree, CO, United States of America

Blue Curtain LLC


USPTO Granted Patents = 3

% Expired Patents = 33.3


Forward Citations = 3

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2 inventors (with patents filed for the assignee):

goldMedal Donald M Gordon (3 out of 3 patents)

silverMedal Edward D Pilpel (3 out of 31 patents)


3 patents:

1. 11629942 - Archery shaft having a braided characteristic (2023-04-18),
2. 11009320 - Archery arrow (2021-05-18),
3. 10228222 - Archery shaft for arrows (2019-03-12),
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USPTO Data Jan 1 1976 - Oct 6 2026

3 Patents

#4 in Lone Tree, CO

#1,776 in Colorado

#73,815 in US

Lone Tree, CO (US)
Lone Tree, CO, United States of America

Blue Curtain LLC

Forward Citations = 3

2 inventors:

goldMedal Donald M Gordon (3 out of 3 patents)

silverMedal Edward D Pilpel (3 out of 31 patents)

Please report any incorrect information to [email protected]
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