Growing community of inventors

Carlsbad, CA, United States of America

Grant Sandground

Average Co-Inventor Count = 2.00

ph-index = 1

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 = 0

Grant SandgroundMichael Eggleston (2 patents)Grant SandgroundGrant Sandground (2 patents)Michael EgglestonMichael Eggleston (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The Upper Deck Company (2 from 27 patents)


2 patents:

1. 12121123 - Collectible casing card

2. 11045021 - Surface collectible

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as of
12/18/2025
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