For the Inventor, By the Inventor

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Basingstoke, United Kingdom

Gearhart Tesel Limited

USPTO Granted Patents = 3

Forward Citations = 94

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4 inventors (with patents filed for the assignee):

Frank B Bardsley (3 out of 4 patents)

David E Stoddart (2 out of 2 patents)

Timothy G Boxell (1 out of 1 patent)

4. Alec B Sycha (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4715440 - Downhole tools (1987-12-29),

2. 4712846 - Connector apparatus (1987-12-15),

3. 4676096 - Downhole resettable formation sampling tool (1987-06-30),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#9 in Basingstoke

#4,797 in United Kingdom

Basingstoke, United Kingdom

Gearhart Tesel Limited

Forward Citations = 94

4 inventors:

Frank B Bardsley (3 out of 4 patents)

David E Stoddart (2 out of 2 patents)

Timothy G Boxell (1 out of 1 patent)

4. Alec B Sycha (1 out of 1 patent)

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