Patents in Class 299/31

Matches 251 - 262 out of 262

< 1 2 3 4 5 6

Match	Document	Document Title
251	2910283	Continuous mining apparatus having core forming means and multiple core dislodging devices
252	2872170	Mining machine launching device
253	2868527	Continuous mining machine
254	2864600	Mining machine
255	2864599	Tunnel boring machine having oppositely rotating heads
256	2837325	Rotary type tunneling machine
257	2833531	Mobile base for mining machines
258	2800969	Automatic creeper control mechanism for mining machines
259	2800970	Creeper base for mining apparatus
260	2800968	Automatic stepper type transport device
261	2801095	Vein disintegrating and material handling apparatus
262	2795936	Walking roof support

Matches 251 - 262 out of 262

< 1 2 3 4 5 6