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Zeeland, MI, United States of America

Mary E Zwagerman

Average Co-Inventor Count = 1.00

ph-index = 1

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 = 0

Mary E ZwagermanMary E Zwagerman (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Walters Gardens, Inc (2 from 614 patents)


2 patents:

1. PP22611 - plant named 'Dancing Stars'

2. PP16062 - Hosta plant named 'Fireworks'

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12/13/2025
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