Gotthard L. Hagstrom

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Interlachen, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Lightning resistant hydrological pulley
- Patent number 6,142,450
- Issue date Nov 7, 2000
- Gotthard L. Hagstrom
- G01 - MEASURING TESTING
Information Patent Grant
Precise rain gauge and methods of calibration
- Patent number 5,898,110
- Issue date Apr 27, 1999
- Gotthard L. Hagstrom
- G01 - MEASURING TESTING