KH

Kenneth Haffner

CH Chartpak: 2 patents #4 of 13Top 35%
Overall (All Time): #1,523,074 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9138787 System and method for de-gassing and neutralizing equipment Richard Luper 2015-09-22
6702500 Writing instrument with combination pocket clip and stylus assembly Gordon Perry 2004-03-09
6659673 Writing instrument with combination pocket clip and stylus assembly Gordon Perry 2003-12-09