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Dripping Springs, TX, United States of America

Lawrence Allen Trowbridge

Average Co-Inventor Count = 2.15

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 = 26

Lawrence Allen TrowbridgePatrick Gerard Stack (7 patents)Lawrence Allen TrowbridgeJoan Marie Stoneburner (1 patent)Lawrence Allen TrowbridgeMauricio Hector Zambrano (1 patent)Lawrence Allen TrowbridgeLawrence Allen Trowbridge (7 patents)Patrick Gerard StackPatrick Gerard Stack (13 patents)Joan Marie StoneburnerJoan Marie Stoneburner (4 patents)Mauricio Hector ZambranoMauricio Hector Zambrano (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (6 from 832,761 patents)

2. Penguin Products, LLC (1 from 2 patents)

3. Stack, Patrick Gerard (0 patent)

4. Trowbridge, Lawrence Allen (0 patent)


7 patents:

1. 11591782 - Anti-overflow toilet

2. 9732506 - Anti-overflow toilet with detachable primary and secondary drain tubes

3. 9309659 - Anti-overflow toilet and method

4. 9057187 - Anti-overflow toilet and method

5. 8590068 - Anti-overflow toilet and method

6. 8590069 - Anti-overflow urinal and method

7. 7757312 - Fixture for disposing of bodily waste having an anti-overflow feature and a method for making the same

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12/17/2025
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