Donald E. Sullivan

Follow

Person

Columbus, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dual flush system for controlling flush water in water closet
- Patent number 4,497,076
- Issue date Feb 5, 1985
- Donald E. Sullivan
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Adjustable tank discharge valve for controlling flush water volume
- Patent number 4,419,773
- Issue date Dec 13, 1983
- Donald E. Sullivan
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Dual flush apparatus for water closets
- Patent number 4,145,774
- Issue date Mar 27, 1979
- Donald E. Sullivan
- E03 - WATER SUPPLY SEWERAGE