Im not exactly sure of my grampas name but it was him o.o
some guy just wanted fame so he put his name on the invention...
jhon robison
all you have to do is stop the car and get out of the car and listen to the police siren
Almost every emergency vehicle is equipped with a siren.
Lights, and Siren.
weuweu
A siren.
gayness
A Siren....but the different tones of a siren are Wail, Yelp, Hi-Lo, Hyper Yelp, and the Air Horn. Loudness of a siren is between 110-130 db
it is used to generate 4 kinds of sounds-police siren,fire alarm,ambulance and gun siren
the inventor of the police siren or the inventor of the noisemaker :)
a loud siren
Hby