For the Inventor, By the Inventor

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Hiawatha, IA, United States of America

Crystal Group, Inc.

USPTO Granted Patents = 34

% Expired Patents = 5.9

Trademarks = 4

Forward Citations = 189

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34 inventors (with patents filed for the assignee):

David T Medin (11 out of 13 patents)

James E Shaw (8 out of 10 patents)

John R Bodensteiner (7 out of 7 patents)

4. Curtis R Nelson (6 out of 7 patents)

5. Matthew J Poduska (5 out of 11 patents)

6. Christopher M Jensen (4 out of 5 patents)

7. Todd A Hermanson (4 out of 4 patents)

8. Robert Dean Hinds (4 out of 4 patents)

9. Scott L Kayser (4 out of 4 patents)

10. Craig J Jensen (4 out of 5 patents)

11. Moji Hosseini (3 out of 3 patents)

12. Norman Boulard (3 out of 9 patents)

13. Steven R Waller (3 out of 3 patents)

14. Brad Patrick McDermott (2 out of 5 patents)

15. Alvin Derouen (2 out of 2 patents)

34 patents: Sort by Forward Citations

1. 12664295 - Tamper and zeroization response unit (2026-06-23),

2. 12635110 - Dual inline memory module heat sink for conduction cooled environments (2026-05-19),

3. 11864338 - Apparatus and method for utilizing commercial off the shelf circuit boards in a highly kinematic environment (2024-01-02),

4. 11675524 - Isolated hardware data sanitize system and method (2023-06-13),

5. 10998671 - DIMM/expansion card retention method for highly kinematic environments (2021-05-04),

6. 10782755 - System and method for creating high powered EMC compliant power supply for industrial and military applications (2020-09-22),

7. 10734756 - DIMM/expansion card retention method for highly kinematic environments (2020-08-04),

8. 10729046 - Apparatus and method for utilizing commercial off the shelf circuit boards in a highly kinematic environment (2020-07-28),

9. 10193248 - System and method for retaining memory modules (2019-01-29),

10. 9820419 - Apparatus and method for utilizing commercial off the shelf circuit boards in a highly kinematic environment (2017-11-14),

11. 9535475 - System and method for creating high powered EMC compliant power supply for industrial and military applications (2017-01-03),

12. 8529285 - Cable retention clip for rugged applications (2013-09-10),

13. 7310750 - Method and system for extending the functionality of an environmental monitor for an industrial personal computer (2007-12-18),

14. 7191274 - Method and system for providing independent server functionality in a single personal computer (2007-03-13),

15. 7000010 - System and method for caching web pages on a management appliance for personal computers (2006-02-14),

Crystal Group, Inc. is a leading provider of rugged computer hardware solutions since 1987. They design, engineer, and manufacture rugged and reliable computing platforms for various industries, including defense, industrial, autonomous vehicle, and more. Crystal Group's advanced products focus on high-performance computing, secure data storage, and network solutions. With expertise in customization and integration, they offer flexible solutions to meet specific client requirements. Crystal Group's dedication to quality, durability, and innovation has earned them a trusted reputation in the industry.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Crystal Group, Inc.

34 Patents

#1 in Hiawatha, IA

#61 in Iowa

#9,985 in US

#19,578 in the World

Hiawatha, IA, United States of America

Crystal Group, Inc.

Forward Citations = 189

34 inventors:

David T Medin (11 out of 13 patents)

James E Shaw (8 out of 10 patents)

John R Bodensteiner (7 out of 7 patents)

4. Curtis R Nelson (6 out of 7 patents)

5. Matthew J Poduska (5 out of 11 patents)

Please report any incorrect information to [email protected]

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