Sound-modifying means > Housing or enclosure (e.g., sound confining and absorbing) > Speaker type > Patents

Browse by:

Browse by Category: Main > Communications

Class Information
Number: 181/199
Name: Acoustics > Sound-modifying means > Housing or enclosure (e.g., sound confining and absorbing) > Speaker type
Description: Subject matter wherein the enclosure is for a loudspeaker.

Patents under this class:

1 2 3 4 5 6 7 8 9 10 11

Patent Number	Title Of Patent	Date Issued
3964571	Acoustic system	Jun. 22, 1976
3945461	Sound speaker system	Mar. 23, 1976
3944020	Speaker headrest for motor vehicles	Mar. 16, 1976
3941638	Manufactured relief-sculptured sound grills (used for covering the sound producing side and/or front of most manufactured sound speaker enclosures) and the manufacturing process for the said g	Mar. 2, 1976
3941207	Loudspeaker assembly	Mar. 2, 1976