SAMUEL AUGUSTINE LEDWELL

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North Falmouth, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Control system for nitrogen and phosphorus removal
- Patent number 10,207,941
- Issue date Feb 19, 2019
- Environmental Operating Solutions, Inc.
- Samuel Augustine Ledwell
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
CONTROL SYSTEM FOR NITROGEN AND PHOSPHORUS REMOVAL
- Publication number 20160272519
- Publication date Sep 22, 2016
- ENVIRONMENTAL OPERATING SOLUTIONS, INC.
- SAMUEL AUGUSTINE LEDWELL
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE