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For the Inventor, By the Inventor

Hatfield, PA, United States of America

K'nex Limited Partnership Group


USPTO Granted Patents = 45



Trademarks = 10

Forward Citations = 500

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13 inventors (with patents filed for the assignee):

goldMedal Joel I Glickman (32 out of 89 patents)

silverMedal Matthias F W Doepner (24 out of 30 patents)

bronzeMedal Heather Croston (6 out of 7 patents)

4.  Michael Klitsch (5 out of 5 patents)

5.  Mark McCormick (4 out of 4 patents)

6.  Cory Mindler (3 out of 3 patents)

7.  LaVonne E Strand (3 out of 11 patents)

8.  Eric Hammond (2 out of 2 patents)

9.  Joseph Jay Smith (2 out of 5 patents)

10.  Kyle Philip Hussa-Lietz (1 out of 1 patent)


Core Competencies:
Construction Toys
Action Figures
Toy Weapons
Race Track Systems
Building Blocks
Hinged Connectors
Transitional Sections
Multi-Part Construction
Toy Vehicle Components
Positioning Mechanisms
Toy Construction Sets
Curved Race Tracks

45 patents:

1. 9649572 - Positioning mechanism for construction toy (2017-05-16),
2. D760330 - Lower body of action figure with skirt (2016-06-28),
3. D760329 - Upper body of action figure (2016-06-28),
4. D760328 - Lower body of action figure with pants (2016-06-28),
5. D752157 - Toy weapon (2016-03-22),
6. D712488 - Positioning element for construction toy (2014-09-02),
7. D712487 - Positioning element for construction toy (2014-09-02),
8. 8597069 - Toy race track system (2013-12-03),
9. D689559 - Building block for construction toy set (2013-09-10),
10. D660382 - Transitional race track section for toy vehicles (2012-05-22),
11. D660381 - Two-lane curved race track section for toy vehicles (2012-05-22),
12. D660380 - Curved race track section for toy vehicles (2012-05-22),
13. D660379 - Two-lane race track section for toy vehicles (2012-05-22),
14. D659201 - Race track section for toy vehicles (2012-05-08),
15. 7666054 - Offset matrix adapter for toy construction sets (2010-02-23),
K'nex Limited Partnership Group is a leading manufacturer of construction toys for children. Their innovative building sets encourage creativity and imagination while promoting STEM learning in a fun and engaging way. With a wide range of products suitable for various age groups, K'nex offers endless possibilities for hands-on play and exploration.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

45 Patents

#3 in Hatfield, PA

#283 in Pennsylvania

#7,501 in US

#14,976 in the World

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Hatfield, PA, United States of America

K'nex Limited Partnership Group

Forward Citations = 500

13 inventors:

goldMedal Joel I Glickman (32 out of 89 patents)

silverMedal Matthias F W Doepner (24 out of 30 patents)

bronzeMedal Heather Croston (6 out of 7 patents)

4.  Michael Klitsch (5 out of 5 patents)

5.  Mark McCormick (4 out of 4 patents)

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