Growing community of inventors

Northbrook, IL, United States of America

John T Magdars

Average Co-Inventor Count = 2.40

ph-index = 4

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 = 41

John T MagdarsBurton L Siegal (4 patents)John T MagdarsArthur Gold (2 patents)John T MagdarsJohn T Magdars (4 patents)Burton L SiegalBurton L Siegal (42 patents)Arthur GoldArthur Gold (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Carousel Industries, Inc. (2 from 6 patents)

2. Coral Industrial Sales Co. (1 from 2 patents)

3. Coral Industrial Sales, Inc. (1 from 1 patent)


4 patents:

1. 4821370 - Combination drapery track and side wall mounting bracket

2. 4770125 - Spring-biased dispenser mechanism for manually operated animal food

3. 4768683 - Food flow channeling insert for manually operated food dispensing machine

4. 4765022 - Combination stop plug and frame member for channelled drapery track

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as of
1/1/2026
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