Growing community of inventors

Circle Pines, MN, United States of America

Donald A Larson

Average Co-Inventor Count = 1.33

ph-index = 4

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 = 101

Donald A LarsonPeter Mark Runyon (1 patent)Donald A LarsonTheodore J Reichert (1 patent)Donald A LarsonDonald A Larson (4 patents)Peter Mark RunyonPeter Mark Runyon (2 patents)Theodore J ReichertTheodore J Reichert (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. North States Industries, Inc. (3 from 22 patents)

2. Hartzell Manufacturing, Inc. (1 from 4 patents)


4 patents:

1. 4838205 - Bird feeder with scatter restricting feeding tray

2. 4712773 - Multiple panel play area

3. 4677791 - Adjustable gate for doorways

4. 4201298 - Storage case

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as of
12/30/2025
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