Erwin L. Long

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Anchorage, AK, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of and system for warming road surface
- Patent number 5,238,053
- Issue date Aug 24, 1993
- Erwin L. Long
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Thermosyphon with evaporator having rising and falling sections
- Patent number 5,190,098
- Issue date Mar 2, 1993
- Erwin L. Long
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method and structural support for increasing load carrying capacity...
- Patent number 4,067,198
- Issue date Jan 10, 1978
- Erwin L. Long
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING