Growing community of inventors

Kansas City, KS, United States of America

David L Feder

Average Co-Inventor Count = 1.33

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 = 74

David L FederMilton L Goff (2 patents)David L FederDavid L Feder (4 patents)Milton L GoffMilton L Goff (6 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (4 from 832,812 patents)


4 patents:

1. 5668954 - Instructional CD player

2. 5521812 - Emergency information apparatus and method

3. 5375385 - Contoured marble and method of fabrication

4. 5325652 - Contoured marble and method of fabrication

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/21/2025
Loading…