Rock drill bit and method of making same
Rock drill chuck repairing process
Rocker arm of the cam-follower type with ribs
Rocker arm with cam-contacting roller
Roll formed flexible die plate for rotary cutting tool
Rolled steel products and a method for making the same
Roller chain connector tool
Rolling bearings and method of adjusting same
Roofing washer-dispensing and fastener-driving machine
Roofing washer-dispensing and fastener-driving machine
Rotary scroll machine with radial clearance control and...
Rotating hardware and process therefor
Rotor for moisture and/or heat exchangers as well as method...
Rotor withdrawal arrangement for bulb generators