Growing community of inventors

Sherborn, MA, United States of America

David L Clifford

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 = 29

David L Clifford ↔ Joseph Shulman (1 patent)David L CliffordDavid L Clifford (1 patent)Joseph ShulmanJoseph Shulman (8 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Polaroid Corporation (1 from 2,176 patents)


1 patent:

1. 4545648 - Nacreous transflector illumination system for liquid crystal display

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12/17/2025
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