Racquet-mounted scoring device

Radio tuner for coupling with cassette tape recorder

Railway light signal

Razor usage indicator

Reach arm for mail signal apparatus

Reading instrument

Reading tool

Reflecting collar attachment for fire hydrants

Reflective and adhesive patch

Reflective indicator for hidden or buried utilities

Reflective marker

Reflective rescue signaling device

Reflective warning and locator collar for hydrants, pylons...

Reflector device

Refractory gas permeable bubbling plug

Refrigerant storage tank status indicator

Reminder device

Reminder device

Reminder device for pill containers

Reminder for periodic tasks including taking medication