Growing community of inventors

South Elgin, IL, United States of America

Donald John Westphal

Average Co-Inventor Count = 1.64

ph-index = 3

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 = 56

Donald John WestphalFrank P Kowalski (1 patent)Donald John WestphalRobert J Augustine (1 patent)Donald John WestphalMelvin N Cline (1 patent)Donald John WestphalDonald John Westphal (3 patents)Frank P KowalskiFrank P Kowalski (6 patents)Robert J AugustineRobert J Augustine (6 patents)Melvin N ClineMelvin N Cline (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Standex International Corporation (2 from 133 patents)

2. Sunbeam Corporation Limited (1 from 278 patents)


3 patents:

1. 4856497 - Portable collapsible treatment table with drop sections

2. 4660549 - Adjustable head support for chiropractic table

3. 4016663 - Electric pressing iron

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as of
12/16/2025
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