Growing community of inventors

Los Angeles, CA, United States of America

David Rognlien

Average Co-Inventor Count = 3.00

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 = 27

David RognlienBarbara Rognlien (1 patent)David RognlienBrock Robertson (1 patent)David RognlienDavid Rognlien (1 patent)Barbara RognlienBarbara Rognlien (1 patent)Brock RobertsonBrock Robertson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Carrand Companies, Inc. (1 from 19 patents)


1 patent:

1. 5864913 - Window cleaning squeegee

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