Methods and apparatus for quantifying components in liquid...
Methods and apparatuses for correcting coincidence count...
Metric/inch converter
Mileage indicator
Monitoring identified electrical switch contacts
Motor vehicle speed recorder
Multi-stage revolution counter
Multi-turn indicator dial system
Multidigit counting wheel mechanism for a volume-measuring...
Multidigit counting wheel mechanism for a volume-measuring...
Multiple insert delivery systems and methods
Multiple stage sequential escapement mechanism
Multiple wheel counting device
Nail collating apparatus
Navigational devices
Nested container counting and separating mechanism
Non-reversible odometer
Nonreversible odometer
Numerical registering device
Odometer