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Orono, MN, United States of America

Lois J Sonstegard

Average Co-Inventor Count = 1.11

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 = 43

Lois J SonstegardRoger A King (1 patent)Lois J SonstegardGeorge Stodola (0 patent)Lois J SonstegardLois J Sonstegard (5 patents)Roger A KingRoger A King (7 patents)George StodolaGeorge Stodola (0 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ljl, Inc. (3 from 3 patents)

2. Other (2 from 832,880 patents)


5 patents:

1. 7631647 - Woman's hair bun holder

2. 7337786 - Elastic hair styling device

3. 6401726 - Device and accessory for styling hair

4. 6189543 - Device and accessory for styling hair

5. 5890494 - Device for styling hair

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