In Reply to: Karlsonized Bass Reflex Port Patent posted by freddyi on October 16, 2016 at 13:47:04:
Klipsch Cornwall, 1958. I guess you can re-patent things after the wait is long enough.
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Follow Ups
- RE: Karlsonized Bass Reflex Port Patent - claudej1@aol.com 06:38:31 10/17/16 (1)
- RE: Karlsonized Bass Reflex Port Patent - freddyi 06:45:57 10/17/16 (0)