Nonseparable thrust ball bearing
Nonsymmetrical compensator for handgun
Nontoxic composite projectiles with a biodegradable...
Nontraumatic heart pump
Normal friction force developing system for traction drive...
Normal travel securing device for automobile equipped with...
Normally closed duckbill valve assembly
Normally closed pressure compensated flow control valve
Normally closed solenoid valve
Normally engaged type spring clutch
Normally interlocked universal differential device
Normally magnetically actuated valve with novel nonmagnetic...
Normally open purge valve
Normally open type piezoelectric element driven metal...
Normally rising variable force solenoid
Normally-open backwater valve
Nose construction for the gear case of a marine drive
Nosepiece for directing a charge into a furnace
Not-engaged range section recovery
Notched door valve for control of carburetor air and...