Growing community of inventors

Middlebury, CT, United States of America

Karl Frederick Sonntag

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 = 11

Karl Frederick Sonntag ↔ James B Kruger (1 patent)Karl Frederick SonntagKarl Frederick Sonntag (1 patent)James B KrugerJames B Kruger (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Scovill Manufacturing Company (1 from 35 patents)


1 patent:

1. 4020575 - Identification badge

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