Typewriting machines
Key-board or key lever-actuating mechanism
Including means generating a signal for type selecting or...
Inventor
active
Bounce dampening system for switch actuators
Concentration sensing by viscosity measurement
Envelope feeder
Impact printer hammer flight time and velocity sensing means
Single pass ribbon cartridge for impact printers having means to
No associations
LandOfFree
William J. Thornhill does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with William J. Thornhill, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and William J. Thornhill will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1054390