Babbco, Ltd.

Also on record

Records under this name other than patents Babbco, Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 9 of 9 · Back to Babbco, Ltd.

Patent	Title	Status	Expires	Confidence
US 3,953,675	Audio speaker system Term ended Term ended no later than Apr 27, 1996 · Low confidence	Term ended	Term ended no later than Apr 27, 1996	Low confidence
US 3,983,337	Broad-band acoustic speaker Term ended Term ended no later than Sep 28, 1996 · Low confidence	Term ended	Term ended no later than Sep 28, 1996	Low confidence
US 4,115,667	Loudspeaker voice coil bearing Term ended Term ended no later than Sep 19, 1998 · Low confidence	Term ended	Term ended no later than Sep 19, 1998	Low confidence
US 4,144,416	Unitary tuned port and loudspeaker frame Term ended Term ended no later than Mar 13, 1999 · Low confidence	Term ended	Term ended no later than Mar 13, 1999	Low confidence
US 4,188,711	Method of making broad band dynamic loudspeaker Term ended Term ended no later than Feb 19, 2000 · Low confidence	Term ended	Term ended no later than Feb 19, 2000	Low confidence
US 4,205,205	Dynamic loudspeaker having magnetic assembly adhesively bonded within a surrounding basket Term ended Term ended no later than May 27, 2000 · Low confidence	Term ended	Term ended no later than May 27, 2000	Low confidence
US 4,225,756	Broad band dynamic loudspeaker Term ended Term ended no later than Sep 30, 2000 · Low confidence	Term ended	Term ended no later than Sep 30, 2000	Low confidence
US 4,225,757	Broad band dynamic loudspeaker Term ended Term ended no later than Sep 30, 2000 · Low confidence	Term ended	Term ended no later than Sep 30, 2000	Low confidence
US D244,698	Loudspeaker cone Term ended	Term ended