United States Patent 3284796
Inventors:
Borsattino, Vincent S.
Marker, Chursel E.
Morris, Harold L.
Publication Date:
11/08/1966
Assignee:
Borsattino, Vincent S.
Marker, Chursel E.
Morris, Harold L.
Other Classes:
331/113R, 340/463, 331/47
International Classes:
G08B3/10; G08B3/00
US Patent References:
| 2926347 | Marching band metronome | | | |
| 2974424 | Sound simulator circuit | | | |
| 2977584 | Engine noise generator | | | |
| 2988708 | Transistor relaxation oscillator | | | |
| 2994765 | Emergency vehicle alarm device | | | |
| 3085211 | Converter with active starter circuit | | | |
| 3101447 | Modulated oscillator circuit | | | |
| 3108597 | Generator for electronic muscle stimulator | | | |