Growing community of inventors

Woodenville, WA, United States of America

David J Marrujo

Average Co-Inventor Count = 4.00

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 = 4

David J Marrujo ↔ Patrick F Coleman (1 patent)David J Marrujo ↔ Charles C Walbourn (1 patent)David J Marrujo ↔ Rose M Cernosek (1 patent)David J MarrujoDavid J Marrujo (1 patent)Patrick F ColemanPatrick F Coleman (4 patents)Charles C WalbournCharles C Walbourn (1 patent)Rose M CernosekRose M Cernosek (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Beckman Instruments, Inc. (1 from 737 patents)


1 patent:

1. 5215885 - Stable two-part chromogen substrate

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12/31/2025
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