Needle tube lock for tattoo machines
Newel anchorage system
Niobium coatings for joining ceramic to metal
No-lash axially movable steering column
No-slip corner joint
No-slip shear connection
Non-explosive device for releasably securing components
Non-explosive device for releasably securing components
Non-oscillating socket joint
Non-protrusive expandable clamping device
Non-pyrotechnic release system
Non-removable safety pin
Non-tarnishing panel edge spot welding arrangement
Nonconductive extension for electric motor shaft
Nonrotatable clamp for automotive steering linkage
Nose tip locking device
Novel mortise-and-tenon type joint for furniture
Nub assembly for tent frame struts
Nuclear reactor of the pressurized water type