Jack P. Hall

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Palo Alto, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hand-held navigational unit
- Patent number D344942
- Issue date Mar 8, 1994
- Trimble Navigation Limited
- David J. Gilman
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Antenna coupler for a portable grid locator
- Patent number D343383
- Issue date Jan 18, 1994
- Trimble Navigation Limited
- Jack P. Hall
- D13 - Equipment for production, distribution, or transformation of energy