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Springfield, OR, United States of America

Ralph L Walker

USPTO Granted Patents = 4

Average Co-Inventor Count = 1.1

ph-index = 3

Forward Citations = 81(Granted Patents)

Location History:

Springfield, OR (US) (1994)
Sacramento, CA (US) (1983 - 2006)
Chesterfield, VA (US) (2019)

Company Filing History:

4 out of 832,812

Other

patents

Years Active: 1983-2019

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10383427 - Backpack support device (2019-08-20),

2. 7152550 - Automatic animal feeding and water providing apparatus (2006-12-26),

3. 5318351 - Cutting tool bit assembly (1994-06-07),

4. 4422409 - Automatic animal feeding apparatus (1983-12-27),

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