David Hughes

Follow

Person

Highland Park, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for detoxifying high aqueous content hazardous waste streams
- Patent number 4,909,947
- Issue date Mar 20, 1990
- UOP
- Russell W. Johnson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Methods and apparatus for remotely enabling personal independence
- Publication number 20060293570
- Publication date Dec 28, 2006
- John E. Croghan
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE