Inventor
DAVIDSON RICHARD W
US11 patents
⚠️ This page may combine multiple inventors who share the name “DAVIDSON RICHARD W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPCON CORP
6 patentsUS5771978AJun 30, 1998
Grading implement elevation controller with tracking station and reference laser beam
TOPCON CORP104 citations98
US6249338B1Jun 19, 2001
Laser survey instrument
TOPCON CORP37 citations96
US6011613AJan 4, 2000
Laser survey instrument
TOPCON CORP37 citations96
US5784155AJul 21, 1998
Laser survey instrument
TOPCON CORP46 citations96
US6075586AJun 13, 2000
Laser survey instrument
TOPCON CORP20 citations92
US7196302B2Mar 27, 2007
Laser measuring method and laser measuring system having fan-shaped tilted laser beams and three known points of photodetection system
TOPCON CORP20 citations89