Growing community of inventors

Greenwood, MO, United States of America

Buford J Guittar

Average Co-Inventor Count = 2.63

ph-index = 14

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 = 415

Buford J GuittarRobert D Newman (30 patents)Buford J GuittarJudson C Cole (1 patent)Buford J GuittarBuford J Guittar (18 patents)Robert D NewmanRobert D Newman (36 patents)Judson C ColeJudson C Cole (10 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (8 from 832,812 patents)

2. Specialty Products of Greenwood, Missouri, Inc. (6 from 24 patents)

3. Robert D. Newman/specialty Products of Greenwood, Missouri, Inc. (1 from 1 patent)


18 patents:

1. 7066511 - Non-conductive extension pole

2. 6779235 - Universal tool handle configured for various extension pole connectors

3. 6681438 - Paint roller frame with shiftable arm

4. D482202 - Paint edger with horizontal and vertical guide wheels

5. 6553628 - Universal tool handle configured for various extension pole connectors

6. 6519800 - Paint roller frame with shiftable arm

7. 6497007 - Universal tool handle configured for various extension pole connectors

8. 6453777 - Non-metallic three-section extension pole having bulb changer

9. D459587 - Paint roller frame with shiftable arm

10. D457003 - Tool handle

11. 6349451 - Universal tool handle configured for various extension pole connectors

12. D447874 - Tool handle

13. 6151747 - Brush bumper

14. 5921905 - Adjustable roller holder with rack and pinion gear mechanism

15. 5743577 - Extension handle apparatus

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as of
12/20/2025
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