Growing community of inventors

Orangevale, CA, United States of America

Charles Preston

Average Co-Inventor Count = 2.47

ph-index = 3

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 = 21

Charles PrestonMarc J Fagan (13 patents)Charles PrestonFrank W Delfer (9 patents)Charles PrestonBrett Flickner (5 patents)Charles PrestonDaniel Saldana (4 patents)Charles PrestonCharles B Clupper (3 patents)Charles PrestonMatthew Leettola (3 patents)Charles PrestonKhi Lam (3 patents)Charles PrestonChristopher Codde (3 patents)Charles PrestonRandy Franklin (3 patents)Charles PrestonPaul Rudolph (3 patents)Charles PrestonChris Pettigrew (3 patents)Charles PrestonJohn Arndt (2 patents)Charles PrestonRaymond H Thill, Iii (2 patents)Charles PrestonWilliam T Kohrummel (2 patents)Charles PrestonMury Lee Albert Salls (2 patents)Charles PrestonChristopher M Pettigrew (1 patent)Charles PrestonCharles Preston (17 patents)Marc J FaganMarc J Fagan (22 patents)Frank W DelferFrank W Delfer (26 patents)Brett FlicknerBrett Flickner (13 patents)Daniel SaldanaDaniel Saldana (5 patents)Charles B ClupperCharles B Clupper (11 patents)Matthew LeettolaMatthew Leettola (7 patents)Khi LamKhi Lam (3 patents)Christopher CoddeChristopher Codde (3 patents)Randy FranklinRandy Franklin (3 patents)Paul RudolphPaul Rudolph (3 patents)Chris PettigrewChris Pettigrew (3 patents)John ArndtJohn Arndt (5 patents)Raymond H Thill, IiiRaymond H Thill, Iii (2 patents)William T KohrummelWilliam T Kohrummel (2 patents)Mury Lee Albert SallsMury Lee Albert Salls (2 patents)Christopher M PettigrewChristopher M Pettigrew (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Broadridge Output Solutions, Inc. (9 from 18 patents)

2. Dst Output West, LLC (5 from 9 patents)

3. Other (2 from 832,966 patents)


17 patents:

1. D1052885 - Firearm holster

2. 11911800 - Commingling physical tray boundaries

3. 11783149 - Bitmap processing of digital documents

4. 11709033 - Handgun safety and retention device

5. 11508023 - Multiple mail piece assembly and wrapping system

6. 11320236 - Handgun safety and retention device

7. 11059073 - Commingling physical tray boundaries

8. 10832105 - Bitmap processing of digital documents

9. 10810694 - Multiple mail piece assembly and wrapping system

10. 10460218 - Bitmap processing of digital documents

11. 10192276 - Multiple mail piece assembly and wrapping system

12. 10133970 - Bitmap processing of digital documents

13. 8857624 - Large and small document combination optimization for document sequencing system

14. 8805576 - Opportunistic mail document commingling

15. 8707099 - Dynamic cue generator

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as of
1/14/2026
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