For the Inventor, By the Inventor

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Mendota Heights, MN, United States of America

Metrospec Technology, L.l.c.

USPTO Granted Patents = 23

Trademarks = 17

Forward Citations = 318

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7 inventors (with patents filed for the assignee):

Henry V Holec (20 out of 27 patents)

Wm Todd Crandell (19 out of 19 patents)

Eric Henry Holec (4 out of 4 patents)

4. Brian J Hillstrom (4 out of 27 patents)

5. H Vic Holec (3 out of 3 patents)

6. Tony Stephen Schweitzer (3 out of 3 patents)

7. Anthony Mitchell Johnson (3 out of 3 patents)

23 patents: Sort by Forward Citations

1. 12480649 - Compact high output LED light source with heat sink (2025-11-25),

2. 12018829 - Compact high output LED light source with heat sink (2024-06-25),

3. 12016121 - Interconnectable circuit boards adapted for three-dimensional constructions as lighting sources (2024-06-18),

4. 11690172 - LED lighting systems and methods (2023-06-27),

5. 11304308 - Flexible circuit board interconnection and methods (2022-04-12),

6. 11266014 - LED lighting systems and method (2022-03-01),

7. 10905004 - Interconnectable circuit boards (2021-01-26),

8. 10849200 - Solid state lighting circuit with current bias and method of controlling thereof (2020-11-24),

9. 10811799 - Interconnectable circuit boards adapted for lateral in-plane bending (2020-10-20),

10. 10499511 - Flexible circuit board interconnection and methods (2019-12-03),

11. 10334735 - LED lighting systems and methods (2019-06-25),

12. 9736946 - Flexible circuit board interconnection and methods (2017-08-15),

13. 9357639 - Circuit board having a plated through hole through a conductive pad (2016-05-31),

14. 9341355 - Layered structure for use with high power light emitting diode systems (2016-05-17),

15. 8968006 - Circuit board having a plated through hole passing through conductive pads on top and bottom sides of the board and the board (2015-03-03),

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

23 Patents

#2 in Mendota Heights, MN

#411 in Minnesota

#13,925 in US

#26,790 in the World

Mendota Heights, MN, United States of America

Metrospec Technology, L.l.c.

Forward Citations = 318

7 inventors:

Henry V Holec (20 out of 27 patents)

Wm Todd Crandell (19 out of 19 patents)

Eric Henry Holec (4 out of 4 patents)

4. Brian J Hillstrom (4 out of 27 patents)

5. H Vic Holec (3 out of 3 patents)

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