Howard L. Gutzwiller

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Zelienople, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Axial fan turning diffuser
- Patent number 4,318,693
- Issue date Mar 9, 1982
- Robinson Industries, Inc.
- Howard L. Gutzwiller
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Cover plates for tank heads
- Patent number 4,295,789
- Issue date Oct 20, 1981
- Robinson Industries, Inc.
- Howard L. Gutzwiller
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Grant
Axial flow reversible fan for a heat treating furnace
- Patent number 4,219,325
- Issue date Aug 26, 1980
- Robinson Industries, Inc.
- Howard L. Gutzwiller
- F27 - FURNACES KILNS OVENS RETORTS