Leif Blackmon

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Medfield, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Audio speaker having a tweeter capable of continuous rotation
- Patent number 8,325,965
- Issue date Dec 4, 2012
- Boston Acoustics, Inc.
- Leif Blackmon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio speaker having a removable voice coil
- Patent number 7,986,804
- Issue date Jul 26, 2011
- Boston Acoustics, Inc.
- Aaron Linn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Audio speaker having a removable voice coil
- Patent number 7,272,237
- Issue date Sep 18, 2007
- Boston Acoustics, Inc.
- Aaron Linn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cooling mechanism for an audio speaker
- Patent number 6,430,300
- Issue date Aug 6, 2002
- Boston Acoustics, Inc.
- Brian Cox
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
AUDIO SPEAKER HAVING A REMOVABLE VOICE COIL
- Publication number 20080013779
- Publication date Jan 17, 2008
- Boston Acoustics, Inc.
- Aaron Linn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio speaker having a tweeter capable of continuous rotation
- Publication number 20070189557
- Publication date Aug 16, 2007
- Leif Blackmon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio speaker crossover having two or more filter housings
- Publication number 20050053247
- Publication date Mar 10, 2005
- James Petronio
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Audio speaker having a removable voice coil
- Publication number 20040240700
- Publication date Dec 2, 2004
- Aaron Linn
- H04 - ELECTRIC COMMUNICATION TECHNIQUE