Growing community of inventors

Rochester Hills, MI, United States of America

David N Grabowski

Average Co-Inventor Count = 1.71

ph-index = 4

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 = 134

David N GrabowskiBrian S Lorence (2 patents)David N GrabowskiRichard A Phelps (1 patent)David N GrabowskiMichael DiFilippo (1 patent)David N GrabowskiDavid N Grabowski (4 patents)Brian S LorenceBrian S Lorence (7 patents)Richard A PhelpsRichard A Phelps (11 patents)Michael DiFilippoMichael DiFilippo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Chivas Products Limited (4 from 25 patents)


4 patents:

1. 5487519 - Retractable beverage container holder

2. 4928865 - Bilateral beverage container holder

3. 4892281 - Generic beverage container holder

4. 4854536 - Container holder

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as of
12/20/2025
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