Growing community of inventors

White Bear Lake, MN, United States of America

David R Walbridge

Average Co-Inventor Count = 3.00

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 = 19

David R WalbridgeMichael B Heller (1 patent)David R WalbridgeLeonard W Sachi (1 patent)David R WalbridgeDavid R Walbridge (1 patent)Michael B HellerMichael B Heller (11 patents)Leonard W SachiLeonard W Sachi (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Minnesota Mining and Manufacturing Company (1 from 7,865 patents)


1 patent:

1. 4885225 - Color proof with non-blocking thermal adhesive layer with particulate

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12/26/2025
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