"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
|7306051||Gear transmission device for power tool|
A gear transmission device for a power tool. The device transmits rotation of an input shaft to an output shaft, which are coaxially rotated. The input shaft includes a distal portion, and the output shaft includes a basal portion facing towards the distal portion o...
|7255016||Soil sampler apparatus and method|
An apparatus removes soil samples at intervals over a field of interest. The apparatus comprises a sampling assembly (60) that rotates on a track (32) riding on a plurality of idler wheels (29, 31). A probe (66) extends and retracts under...