Growing community of inventors

Snohomish County, WA, United States of America

Raymond L Hadford

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 = 137

Raymond L Hadford ↔ Wayne E Quinton (1 patent)Raymond L HadfordRaymond L Hadford (1 patent)Wayne E QuintonWayne E Quinton (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Quinton Instrument Company (1 from 48 patents)


1 patent:

1. 4675004 - Dual-lumen fistula needle

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12/21/2025
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