David Hadley — 6 Patents at Arichell Technologies

David Hadley has been granted 6 US patents while listed as an inventor at Arichell Technologies. The first was granted in 2001 and the most recent in July 2009. David Hadley ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list David Hadley in Franklin, MA, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #	Title	Co-Inventors	Date
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

David Hadley — 6 Patents

Issued Patents All Time

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