Richard Couch

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Woodbridge, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Subsurface sewage disposal system
- Patent number 10,336,635
- Issue date Jul 2, 2019
- Richard Couch
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Subsurface sewage disposal system
- Patent number 9,850,150
- Issue date Dec 26, 2017
- Richard Couch
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
SUBSURFACE SEWAGE DISPOSAL SYSTEM
- Publication number 20180194652
- Publication date Jul 12, 2018
- Richard Couch
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SUBSURFACE SEWAGE DISPOSAL SYSTEM
- Publication number 20150218025
- Publication date Aug 6, 2015
- Richard Couch
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE