David L. Hunt

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Cincinnati, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Tractor traveler
- Patent number D443915
- Issue date Jun 19, 2001
- L. R. Nelson Corporation
- Lawrence P. Heren
- D23 - Environmental heating and cooling
Information Patent Grant
Locomotive traveler
- Patent number D441831
- Issue date May 8, 2001
- L. R. Nelson Corporation
- Lawrence P. Heren
- D23 - Environmental heating and cooling
Information Patent Grant
Turbo heart oscillator
- Patent number D418576
- Issue date Jan 4, 2000
- L. R. Nelson Corporation
- Lawrence P. Heren
- D23 - Environmental heating and cooling
Information Patent Grant
Arcuate hose nozzle
- Patent number D409717
- Issue date May 11, 1999
- L. R. Nelson Corporation
- Lawrence P. Heren
- D23 - Environmental heating and cooling