Growing community of inventors

Oberlin, OH, United States of America

Todd A Spiegelberg

Average Co-Inventor Count = 2.12

ph-index = 5

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 = 198

Todd A SpiegelbergLizabeth Dretzka (3 patents)Todd A SpiegelbergCraig M Saunders (2 patents)Todd A SpiegelbergJeffrey M Kalman (1 patent)Todd A SpiegelbergWilliam E Kaufman (1 patent)Todd A SpiegelbergTodd A Spiegelberg (6 patents)Lizabeth DretzkaLizabeth Dretzka (32 patents)Craig M SaundersCraig M Saunders (148 patents)Jeffrey M KalmanJeffrey M Kalman (55 patents)William E KaufmanWilliam E Kaufman (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Moen Incorporated (3 from 671 patents)

2. Nottingham-Spirk Design Associates, Inc. (1 from 37 patents)

3. Innotek, Inc. (1 from 35 patents)

4. Shaklee Corporation (1 from 35 patents)


6 patents:

1. D523768 - Wireless animal training transmitter

2. 6813833 - Utility knife

3. D495402 - Faucet handle

4. D488542 - Faucet spout

5. D487921 - Faucet

6. D464415 - Air treatment unit

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/8/2026
Loading…