Fred J. Crates

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Findlay, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Inlet and outlet baffle structure for sewage treatment tanks
- Patent number RE32312
- Issue date Dec 23, 1986
- Hancor, Inc.
- Fred J. Crates
- 210 - Liquid purification or separation
Information Patent Grant
Inlet and outlet baffle structure for sewage treatment tanks
- Patent number 4,363,732
- Issue date Dec 14, 1982
- Hancor, Inc.
- Fred J. Crates
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE