HARRISON INVESTMENT TRUST, THE

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WICHITA FALLS, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Chemical stick storage and delivery system
- Patent number 6,269,875
- Issue date Aug 7, 2001
- The Harrison Investment Trust
- William G. Harrison
- E21 - EARTH DRILLING MINING
Information Patent Grant
Chemical stick storage and delivery system
- Patent number 6,044,905
- Issue date Apr 4, 2000
- The Harrison Investment Trust
- William G. Harrison
- E21 - EARTH DRILLING MINING