Growing community of inventors

Oak Creek, WI, United States of America

Daniel B Guptail

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 = 26

Daniel B GuptailDavid A Doerflinger (3 patents)Daniel B GuptailDaniel B Guptail (3 patents)David A DoerflingerDavid A Doerflinger (14 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Snap-On Inc. (3 from 754 patents)


3 patents:

1. 7584827 - Manually actuated brake system for manually towable vehicle

2. 7124859 - Manually actuated brake system for manually towable vehicle

3. 7008031 - Method for attaching stackable components

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as of
1/19/2026
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