Growing community of inventors

Whittier, CA, United States of America

Keith D Marshall

Average Co-Inventor Count = 2.05

ph-index = 10

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 = 232

Keith D MarshallV Walter Hafner (6 patents)Keith D MarshallDarryl M Boeltl (4 patents)Keith D MarshallRon T Hahn (4 patents)Keith D MarshallCarlos J Galeazzi (3 patents)Keith D MarshallChris Adkison (3 patents)Keith D MarshallTheodore J Sally (1 patent)Keith D MarshallDavid P Molinaro (1 patent)Keith D MarshallDonald E Morris (1 patent)Keith D MarshallDon Morris (1 patent)Keith D MarshallTom Zinn (1 patent)Keith D MarshallLaura Marshall (1 patent)Keith D MarshallKeith D Marshall (19 patents)V Walter HafnerV Walter Hafner (17 patents)Darryl M BoeltlDarryl M Boeltl (42 patents)Ron T HahnRon T Hahn (8 patents)Carlos J GaleazziCarlos J Galeazzi (11 patents)Chris AdkisonChris Adkison (5 patents)Theodore J SallyTheodore J Sally (10 patents)David P MolinaroDavid P Molinaro (6 patents)Donald E MorrisDonald E Morris (4 patents)Don MorrisDon Morris (1 patent)Tom ZinnTom Zinn (1 patent)Laura MarshallLaura Marshall (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Acorn Engineering Company (18 from 137 patents)

2. Kohler Company (1 from 3,414 patents)


19 patents:

1. 10352028 - Waste receptacle systems and methods

2. D560784 - Wall hung basin

3. D560782 - Wall hung basin

4. D560783 - Wall hung basin

5. D546930 - Lavatory

6. 6687922 - Stainless steel toilet resistant to corrosion by sea water

7. D462113 - Soaking tub

8. D455200 - Sink

9. D451986 - Lay down tub

10. D445884 - Stainless steel toilet

11. D437920 - Stainless steel toilet

12. D433743 - One-piece stainless steel pedestal wash basin

13. D430274 - Lavatory

14. D411876 - Wash basins

15. 5067181 - Blow out toilet with low water volume usage

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1/1/2026
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