Growing community of inventors

Ft. Mill, SC, United States of America

William Z Vanhook

Average Co-Inventor Count = 2.40

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 = 5

William Z VanhookJohn T Roberts (2 patents)William Z VanhookJohn A Walton (2 patents)William Z VanhookClaude E Monsees (1 patent)William Z VanhookLarry J Mattson (1 patent)William Z VanhookWilliam Z Vanhook (4 patents)John T RobertsJohn T Roberts (21 patents)John A WaltonJohn A Walton (2 patents)Claude E MonseesClaude E Monsees (19 patents)Larry J MattsonLarry J Mattson (19 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Roberts Systems, Inc. (3 from 22 patents)

2. Robert Systems, Inc. (1 from 1 patent)


4 patents:

1. 5513751 - Hook dispensing apparatus and method

2. 5477657 - Method of stacking a supply of hooks on a card

3. 5366578 - Fitment forming process

4. 5134765 - Process of forming a dispensing cartridge

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as of
12/11/2025
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