DH

David Hadley

AT Arichell Technologies: 6 patents #5 of 18Top 30%
Overall (All Time): #870,662 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7562399 Toilet flusher for water tanks with novel valves and dispensers Natan E. Parsons, Fatih Guler, Kay Herbert, Xiaoxiong Mo 2009-07-21
6934976 Toilet flusher with novel valves and controls Natan E. Parsons, Fatih Guler, Kay Herbert, Robert Shamitz 2005-08-30
6874535 Device and method for operating at least two valves Natan E. Parsons, Robert Shamitz, Kay Herbert 2005-04-05
6748968 Method and apparatus for combined conduit/electrical-conductor junction installation Natan E. Parsons 2004-06-15
6508272 Device and method for operating at least two valves Natan E. Parsons, Robert Shamitz 2003-01-21
6263519 Automatic tank-type flusher Natan E. Parsons 2001-07-24