Ron Keffer

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Harrison City, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Multiple chamber septic tank with a plurality of large and small ac...
- Patent number 11,981,590
- Issue date May 14, 2024
- KLEANTU LLC
- John R. Smith
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Multiple Chamber Septic Tank with a Plurality of Large and Small Ac...
- Publication number 20240279095
- Publication date Aug 22, 2024
- KleanTu LLC
- John R. Smith
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Multiple Chamber Septic Tank with a Plurality of Large and Small Ac...
- Publication number 20230416124
- Publication date Dec 28, 2023
- John R. Smith
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Multiple Chamber Septic Tank with a Plurality of Large and Small Ac...
- Publication number 20200024171
- Publication date Jan 23, 2020
- John R. Smith
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
INDIVIDUAL SEPTIC TANK UNIT
- Publication number 20180155225
- Publication date Jun 7, 2018
- John R. Smith
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE