Growing community of inventors

San Diego, CA, United States of America

Robert E Urmston

Average Co-Inventor Count = 1.50

ph-index = 3

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 = 69

Robert E UrmstonJames E Carlson (1 patent)Robert E UrmstonC Alex Abatti (1 patent)Robert E UrmstonRobert E Urmston (3 patents)James E CarlsonJames E Carlson (6 patents)C Alex AbattiC Alex Abatti (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (3 from 832,912 patents)


3 patents:

1. 4590739 - Field crop harvesting system

2. 4018218 - Method and apparatus for sleep induction

3. 3990699 - Game bat

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as of
1/13/2026
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