RH

Roger Hewitt

TD Thermal Dynamics: 2 patents #29 of 73Top 40%
VE Victor Equipment: 1 patents #36 of 77Top 50%
Overall (All Time): #1,504,275 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9288887 Plasma arc torch with secondary starting circuit and electrode Steve Norris, Ken Isenor, Christopher J. Conway 2016-03-15
6933461 Tips and contact members having ridges for use in a contact start plasma arc torch Kevin Horner-Richardson, David Small, Joseph P. Jones 2005-08-23
D489079 Torch, lead and connector assembly Kevin Horner-Richardson, Kevin J. Kinerson, Joseph P. Jones 2004-04-27