Loud speaker system for emergency vehicles

Details Loud speaker system for emergency vehicles Loud speaker system for emergency vehicles

1992-03-16

1994-05-03

Ansher, Bernard

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Speaker or housing therefor

Patent

active

D03466019

REFERENCES:
patent: D182351 (1958-03-01), Avedon
patent: D212537 (1968-10-01), Banks
patent: D241553 (1976-09-01), Renkus
patent: D250711 (1979-01-01), Persson et al.
patent: D334934 (1993-04-01), Hsieh
patent: 1853955 (1932-04-01), Blattner
patent: 2145318 (1939-01-01), Schenk et al.
patent: 2869669 (1959-01-01), Leslie
patent: 4178473 (1979-12-01), Vermeren
patent: 4635039 (1987-01-01), Gosswiller
patent: 4718372 (1988-01-01), Wheeler
JC Whitney & Co. catalog, p. 25 "Mobile PA System", top.

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