Leduc
Canada
5
2015-05-14
The entities that hold a legal rights for patent applications filed by inventor Janzen Jeff:
Jeff Janzen from Leduc, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Drill bit with a flow interrupter
#2 | 2014-12-02Drill bit with a flow interrupter
#3 | 2014-01-23PDC drill bit with flute design for better bit cleaning
#4 | 2011-06-02PDC drill bit with flute design for better bit cleaning
#5 | 2011-01-06Drill bit with a flow interrupter
619013 ⎘