Harrison C. Smith

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Richardson, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Toroidal coupled telemetry apparatus
- Patent number 4,525,715
- Issue date Jun 25, 1985
- Tele-Drill, Inc.
- Harrison C. Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Point gap assembly for a toroidal coupled telemetry system
- Patent number 4,387,372
- Issue date Jun 7, 1983
- Tele-Drill, Inc.
- Harrison C. Smith
- E21 - EARTH DRILLING MINING