WHISTLE CALLS FOR USE PARTICULARLY

Brand	Owner	Address	Description
THUNDERER	J. HUDSON & CO. (WHISTLES) LIMITED	244 BARR ST. HOCKLEY, BIRMINGHAM B193AH United Kingdom	WHISTLE CALLS FOR USE PARTICULARLY BY REFEREES IN BASEMENT FOOTBALL, AND LIKE GAMES;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A pen instrument is provided with a controllable whistle. The whistle includes a tubular body; a sleeve connected at a rear end to a first open end of the tubular body and at a front end to a rear end of the pen instrument to connect the whistle to the pen instrument; a whistle-producing reed structure fixedly provided in an inner space of the tubular body and including a reed; and a cut-off device provided at a predetermined position on the tubular body and operable by a user to allow or cut off flowing of air through the inner space of the tubular body. A balloon is connected to a second open end of the tubular body and inflated when the cut-off device is in a position allowing air to flow through the tubular body into the balloon.