Growing community of inventors

Kirkland, WA, United States of America

David R Leavitt

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 = 18

David R LeavittGerald R Pfieffer (1 patent)David R LeavittDavid R Leavitt (1 patent)Gerald R PfiefferGerald R Pfieffer (4 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Container Corporation of America (1 from 299 patents)


1 patent:

1. 4180167 - Carton having reclosable spout

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1/22/2026
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