Growing community of inventors

Statesville, NC, United States of America

Donald L Holland

Average Co-Inventor Count = 1.00

ph-index = 2

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 = 12

Donald L HollandDonald L Holland (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Hunt Manufacturing Co. (2 from 13 patents)


2 patents:

1. 4077288 - Vertical entry multiple paper punch

2. 3952784 - Pencil pointer

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as of
12/19/2025
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