Inventor
FRIGGSTAD TERRANCE
CA12 patents
⚠️ This page may combine multiple inventors who share the name “FRIGGSTAD TERRANCE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FLEXI COIL LTD
5 patentsUS5303779AApr 19, 1994
Rockshaft cultivator frame
FLEXI COIL LTD25 citations91
US4977964ADec 18, 1990
Resilient planar framework for supporting multiple groundworking tools
FLEXI COIL LTD8 citations73
US4840233AJun 20, 1989
Agricultural implement having rock shaft actuated transport wheel frames
FLEXI COIL LTD13 citations73
US4676321AJun 30, 1987
Framework for ground working implement
FLEXI COIL LTD15 citations72
US4653592AMar 31, 1987
Flexible winged cultivator
FLEXI COIL LTD4 citations61
FRIGGSTAD MFG LTD
4 patentsUS4373455AFeb 15, 1983
Seed boot assembly
FRIGGSTAD MFG LTD62 citations94
US4355689AOct 26, 1982
Flexible wing implement with universal hinges and selective locking structure associated with wings thereof
FRIGGSTAD MFG LTD30 citations91
US4487267ADec 11, 1984
Agricultural apparatus with tool supported thereon and wheel adjustment structure therefor
FRIGGSTAD MFG LTD7 citations72
US4249615AFeb 10, 1981
Two-stage trip release shank assembly
FRIGGSTAD MFG LTD8 citations72