Inventor
CHRISTOPHERSON HERMAN P
US14 patents
⚠️ This page may combine multiple inventors who share the name “CHRISTOPHERSON HERMAN P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ARCTIC CAT INC
6 patentsUS6159059ADec 12, 2000
Controlled thrust steering system for watercraft
ARCTIC CAT INC58 citations95
US6231410B1May 15, 2001
Controlled thrust steering system for watercraft
ARCTIC CAT INC25 citations91
US6793545B2Sep 21, 2004
Controlled thrust steering system for watercraft
ARCTIC CAT INC3 citations72
US6634912B2Oct 21, 2003
Controlled thrust steering system for watercraft
ARCTIC CAT INC5 citations72
US6568969B2May 27, 2003
Controlled thrust steering system for watercraft
ARCTIC CAT INC3 citations72
US6554661B2Apr 29, 2003
Controlled thrust steering system for watercraft
ARCTIC CAT INC8 citations72
TORO CO
6 patentsUS5771669AJun 30, 1998
Method and apparatus for mowing irregular turf areas
TORO CO64 citations95
US3949540AApr 13, 1976
Mower discharge interlock apparatus
TORO CO63 citations93
US4558558ADec 17, 1985
Lawn mower traction control system
TORO CO114 citations89
US4306408ADec 22, 1981
Grass catcher assembly
TORO CO23 citations81
US4030277AJun 21, 1977
Mower rear shield structure
TORO CO27 citations81
US4458472AJul 10, 1984
Lawn mower zone start system
TORO CO17 citations73