Manipulating rotary control device

Manipulating rotary control device

Manual slide selector mechanism

Manually rotatable control or selector knob member

Mark retaining structure of a micro-differential pressure gauge

Marker for scale of an indicator

Mechanism for indicating when to change engine oil

Medication dosage reminder device

Medication scheduling device

Medicine bottle cap having dosage means

Medicine bottle cap with time and day markers

Medicine management device

Medicine minder

Medicine minder

Memory aiding device

Memory assist device with clips

Method and device for recording periodic medicinal dosages

Method for reminding a person when to take medication

Mine safety inspection indicator

Mono-disc rotatory medication reminder