Growing community of inventors

New York, NY, United States of America

Selma M Casper

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 = 8

Selma M Casper ↔ Jan M Zwiren (1 patent)Selma M Casper ↔ Norman Sinclair (1 patent)Selma M CasperSelma M Casper (1 patent)Jan M ZwirenJan M Zwiren (2 patents)Norman SinclairNorman Sinclair (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Helene Curtis Industries, Inc. (1 from 30 patents)


1 patent:

1. 4187866 - Comb with rotatable teeth

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as of
1/17/2026
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