Growing community of inventors

Boulder, CO, United States of America

Howard Steve Ellenburg

Average Co-Inventor Count = 1.61

ph-index = 8

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 232

Howard Steve EllenburgParker Stephen Ellenburg (3 patents)Howard Steve EllenburgBarbara Kay Ellenburg (3 patents)Howard Steve EllenburgMark Owen Ellenburg (2 patents)Howard Steve EllenburgRichard N Case (1 patent)Howard Steve EllenburgChad R Burnett (1 patent)Howard Steve EllenburgKenneth D Wandry (1 patent)Howard Steve EllenburgHoward Steve Ellenburg (11 patents)Parker Stephen EllenburgParker Stephen Ellenburg (3 patents)Barbara Kay EllenburgBarbara Kay Ellenburg (3 patents)Mark Owen EllenburgMark Owen Ellenburg (3 patents)Richard N CaseRichard N Case (53 patents)Chad R BurnettChad R Burnett (1 patent)Kenneth D WandryKenneth D Wandry (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Nite Ize, Inc. (2 from 294 patents)

2. Ultima Fitness, Inc. (2 from 2 patents)

3. Trumark Manufacturing Company (2 from 2 patents)

4. Other (1 from 832,917 patents)

5. Rcp Enterprises, Inc. (1 from 6 patents)

6. Dpm Associates, LLC (1 from 1 patent)

7. Xtend Products, LLC (1 from 1 patent)

8. Trumark Mfg. Co., Inc. (1 from 1 patent)


11 patents:

1. 9028112 - Personal lighting device

2. 8876340 - Personal lighting device

3. 7695154 - Illuminating footwear accessory

4. 7244070 - Camera holder and methods

5. 6206542 - Flashlight support device

6. 6123651 - Barbell holder and methods for its use

7. 6059700 - Locking system for barbells

8. 5894672 - Enhanced sight marker apparatus

9. 5803067 - Pivotal sling strap connectors and sights for slingshots

10. 4250861 - Foldable wrist braced slingshot

11. D247911 - Slingshot

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as of
1/6/2026
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