Growing community of inventors

Brookfield, VT, United States of America

Robert L Stewart

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 = 2

Robert L Stewart ↔ Daniel L Ingold (1 patent)Robert L StewartRobert L Stewart (1 patent)Daniel L IngoldDaniel L Ingold (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Appropriate Technology Corporation (1 from 8 patents)


1 patent:

1. 4497436 - Venting system for insulating window shade

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as of
12/17/2025
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