Growing community of inventors

New York, NY, United States of America

Sheldon Greenberg

Average Co-Inventor Count = 1.00

ph-index = 5

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 = 62

Sheldon GreenbergSheldon Greenberg (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Shelcore Inc. (5 from 22 patents)


6 patents:

1. D268275 - Inflatable crib gym toy

2. D268274 - Multiple element pop-up toy

3. 4353701 - Educational, action-type, amusement center toy

4. 4335538 - Inflatable overhead crib gym toy

5. 4223471 - Aquarium crib toy

6. D248686 - Inflatable educational toy

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as of
12/28/2025
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