Growing community of inventors

Powers, OR, United States of America

Darrell E Holland

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 = 2

Darrell E HollandWilliam P Holland (2 patents)Darrell E HollandDarrell E Holland (2 patents)William P HollandWilliam P Holland (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

2 patents:

1. D283532 - Long rifle

2. D283042 - Short rifle

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/3/2026
Loading…