LandOfFree - US Patents - Listing for Signals and indicators

Signals and indicators – Horns – whistles and compressional wave generators

Whistle for multi-implement folding knife

Signals and indicators – Horns – whistles and compressional wave generators

Whistle having air flow converter

Signals and indicators – Periodic – Animal frightening devices

Whistle structures

Signals and indicators – Periodic – Animal frightening devices

Whistle structures

Signals and indicators – Periodic – Animal frightening devices

Whistle structures

Signals and indicators – Horns – whistles and compressional wave generators

Whistle with finger grip

Signals and indicators – Horns – whistles and compressional wave generators

Whistle with possession control indicating system

Signals and indicators – Horns – whistles and compressional wave generators

Whistle with tone changing rotator

Signals and indicators – Navigation devices

Wide angled reflector unit for spoked wheel

Signals and indicators – Flags and flagstaffs

Wind accessory for tethered display device

Signals and indicators – Flags and flagstaffs

Wind deflector

Signals and indicators – Indicators – Fluid flow

Wind detection aid

Signals and indicators – Indicators – Fluid flow

Wind indicator

Signals and indicators – Periodic – Animal frightening devices

Wind rotated reflective scarecrow

Signals and indicators – Indicators – By smoke or odor

Windage-gauging method and apparatus for hunters

Signals and indicators – Alarms – Burglar

Window-door alarm

Signals and indicators – Horns – whistles and compressional wave generators – Manually actuated air compressor

Work-time indicator

Signals and indicators – Indicators – Chemically activated type

Worklight with thermal warning

Signals and indicators – Indicators – Operator movable

Workstation signal device