Patrick Francis Campbell

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Katy, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Jettisonable ball seal
- Patent number 10,858,905
- Issue date Dec 8, 2020
- Cajun Services Unlimited, LLC
- Bryce Elliott Randle
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
JETTISONABLE BALL SEAL
- Publication number 20210172278
- Publication date Jun 10, 2021
- CAJUN SERVICES UNLIMITED, LLC d/b/a SPOKED MANUFACTURING
- Bryce Elliott Randle
- E21 - EARTH DRILLING MINING
Information Patent Application
JETTISONABLE BALL SEAL
- Publication number 20170362913
- Publication date Dec 21, 2017
- CAJUN SERVICES UNLIMITED, LLC d/b/a SPOKED MANUFACTURING
- Bryce Elliott Randle
- E21 - EARTH DRILLING MINING