Growing community of inventors

Lawndale, CA, United States of America

Douglas E Lapp

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 9

Douglas E LappLuan G Tran (1 patent)Douglas E LappDouglas E Lapp (1 patent)Luan G TranLuan G Tran (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mattel, Inc. (1 from 1,703 patents)


1 patent:

1. 4410181 - Electronic board game

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