Growing community of inventors

Canal Winchester, OH, United States of America

Douglas E Kellogg

Average Co-Inventor Count = 1.75

ph-index = 5

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 = 94

Douglas E KelloggDennis J Riga (6 patents)Douglas E KelloggDouglas E Kellogg (7 patents)Dennis J RigaDennis J Riga (29 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The York Group, Inc. (6 from 33 patents)

2. Other (1 from 832,912 patents)


7 patents:

1. 6585118 - Display system for death care merchandise

2. 6343701 - Death care merchandise display unit

3. 6257423 - Casket display system

4. 6161705 - Death care merchandise display unit

5. 5960966 - Modular walls for death care merchandise display unit

6. 5901863 - Casket display system

7. 5901862 - Death care merchandise display unit

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as of
1/12/2026
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