Growing community of inventors

Lincoln, MI, United States of America

Ray W Spiegel

Average Co-Inventor Count = 2.40

ph-index = 2

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 = 23

Ray W SpiegelLarry D Marks (1 patent)Ray W SpiegelRichard C Stiles (1 patent)Ray W SpiegelClifford L DeSchaaf (1 patent)Ray W SpiegelRay W Spiegel (2 patents)Larry D MarksLarry D Marks (19 patents)Richard C StilesRichard C Stiles (6 patents)Clifford L DeSchaafClifford L DeSchaaf (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Whirlpool Corporation (2 from 5,955 patents)


2 patents:

1. 5031649 - Two part actuating member for an additive dispenser on a dishwasher

2. 3997201 - Appliance door latch

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as of
1/3/2026
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