As I'm a curious person I had the idea to look for JBL patents. And bingo!
Interesting things are out there to discover...
Look at:
http://www.uspto.gov/patft/
and start with Patent 4,308,932 (Bi Radial Horn)
Funny
As I'm a curious person I had the idea to look for JBL patents. And bingo!
Interesting things are out there to discover...
Look at:
http://www.uspto.gov/patft/
and start with Patent 4,308,932 (Bi Radial Horn)
Funny
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