Growing community of inventors

Hastings, MN, United States of America

Llewellyn Everett Williams

Average Co-Inventor Count = 2.40

ph-index = 2

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 = 62

Llewellyn Everett Williams ↔ Stephen A Braun (2 patents)Llewellyn Everett Williams ↔ Jack Edward Arfstrom (1 patent)Llewellyn Everett WilliamsLlewellyn Everett Williams (2 patents)Stephen A BraunStephen A Braun (9 patents)Jack Edward ArfstromJack Edward Arfstrom (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Deere + Company (2 from 8,451 patents)


2 patents:

1. 5894714 - Brake for self-propelled vehicle

2. 5848520 - Control for hydrostatic transmissions

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12/12/2025
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