Growing community of inventors

Muskegon, MI, United States of America

Douglas D Amstutz

Average Co-Inventor Count = 1.95

ph-index = 10

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 = 376

Douglas D AmstutzRonald A Vanderboegh (7 patents)Douglas D AmstutzDonald D Kelemen (3 patents)Douglas D AmstutzAdrienne Weiss (1 patent)Douglas D AmstutzPhilip E Crossman (1 patent)Douglas D AmstutzRichard J Yager (1 patent)Douglas D AmstutzEdward J Bacheller (1 patent)Douglas D AmstutzVirginia L Durfey (1 patent)Douglas D AmstutzDouglas D Amstutz (14 patents)Ronald A VanderboeghRonald A Vanderboegh (7 patents)Donald D KelemenDonald D Kelemen (3 patents)Adrienne WeissAdrienne Weiss (18 patents)Philip E CrossmanPhilip E Crossman (18 patents)Richard J YagerRichard J Yager (1 patent)Edward J BachellerEdward J Bacheller (1 patent)Virginia L DurfeyVirginia L Durfey (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Amstore Corporation (14 from 16 patents)


14 patents:

1. 8047619 - Security display case

2. D391471 - Pilaster

3. 5120116 - Lighted display case

4. 5054863 - Lighted display case

5. 5022719 - Lighted display case

6. 4991368 - Wall system

7. 4980998 - Wall system

8. 4979078 - Lighted display case

9. 4955044 - Lighted display case

10. 4948203 - Lighted display case

11. 4886327 - Lighted display case

12. 4629076 - Slatboard

13. 4591058 - Slatboard

14. 4585131 - Variable decor merchandising system

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as of
1/3/2026
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