David Lackstrom

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Medina, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
High efficiency water boiler having finned heat exchanger
- Patent number 5,671,700
- Issue date Sep 30, 1997
- Glowcore Acquisition Company
- David Lackstrom
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
High efficiency pool heating system and power unit
- Patent number 5,313,874
- Issue date May 24, 1994
- R & D Technologies, Inc.
- David Lackstrom
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
High efficiency solar powered pumping system
- Patent number 5,246,350
- Issue date Sep 21, 1993
- International Product & Technology Exchange, Inc.
- David Lackstrom
- E21 - EARTH DRILLING MINING
Information Patent Grant
High efficiency pool heating system
- Patent number 5,205,133
- Issue date Apr 27, 1993
- R & D Technologies, Inc.
- David Lackstrom
- F24 - HEATING RANGES VENTILATING