Growing community of inventors

York, SC, United States of America

David B Dupes

Average Co-Inventor Count = 2.00

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 = 22

David B DupesLarry J Mattson (1 patent)David B DupesJames H Sewell (1 patent)David B DupesWalter G Robinson (1 patent)David B DupesDavid B Dupes (3 patents)Larry J MattsonLarry J Mattson (19 patents)James H SewellJames H Sewell (4 patents)Walter G RobinsonWalter G Robinson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Roberts Polypro, Inc. (2 from 8 patents)

2. Poly Pro, Division of Roberts Systems, Inc. (1 from 1 patent)


3 patents:

1. 6751873 - Foldable eating utensil

2. 6029865 - Sealed carton having a separate inner pour-spout

3. 5667111 - Plastic pour-spout and container

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as of
1/11/2026
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