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For the Inventor, By the Inventor

Pittsburgh, PA, United States of America

Ksa Limited Partnership


USPTO Granted Patents = 3

Forward Citations = 15

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2 inventors (with patents filed for the assignee):

goldMedal William D Pilesi (3 out of 6 patents)

silverMedal Richard A Burke (2 out of 2 patents)


3 patents:

1. 6786459 - Concrete railroad tie turnout assembly (2004-09-07),
2. 6572027 - Concrete railroad tie two-piece insulator spacer and fastening system (2003-06-03),
3. 6343748 - Concrete railroad tie insulator spacer and fastening system (2002-02-05),
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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#339 in Pittsburgh, PA

#2,633 in Pennsylvania

#71,986 in US

...
Pittsburgh, PA, United States of America

Ksa Limited Partnership

Forward Citations = 15

2 inventors:

goldMedal William D Pilesi (3 out of 6 patents)

silverMedal Richard A Burke (2 out of 2 patents)

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