Inventor
HALLS LAWRENCE M
9 patents
⚠️ This page may combine multiple inventors who share the name “HALLS LAWRENCE M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SPERRY CORP
7 patentsUS4612757ASep 23, 1986
Combine header attitude control mechanism
SPERRY CORP94 citations94
US4407110AOct 4, 1983
Frame for crop harvesting header
SPERRY CORP32 citations92
US4414793ANov 15, 1983
Flexible crop harvesting header
SPERRY CORP41 citations91
US4270338AJun 2, 1981
Crop harvesting machine
SPERRY CORP30 citations91
US4223514ASep 23, 1980
Knife section
SPERRY CORP29 citations78
US4324092AApr 13, 1982
Cutterbar wear strip
SPERRY CORP2 citations62
US4377930AMar 29, 1983
Infinite reel height adjustment
SPERRY CORP7 citations61