Robert Hazelwood

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Amesbury, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Base speaker system for use with turntable that eliminates feedback...
- Patent number 12,035,119
- Issue date Jul 9, 2024
- Andover Audio LLC
- Robert Hazelwood
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Motorcycle speaker system
- Patent number 8,139,810
- Issue date Mar 20, 2012
- Harley-Davidson Motor Company Group, LLC
- Mark J. Armitage
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Twist-lock-mountable versatile loudspeaker mount
- Patent number 5,867,583
- Issue date Feb 2, 1999
- Harman International Industries, Inc.
- Robert E. Hazelwood
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
BASE SPEAKER SYSTEM FOR USE WITH TURNTABLE THAT ELIMINATES FEEDBACK...
- Publication number 20220303686
- Publication date Sep 22, 2022
- Andover Audio LLC
- Robert Hazelwood
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MOTORCYCLE SPEAKER SYSTEM
- Publication number 20120025486
- Publication date Feb 2, 2012
- Mark J. Armitage
- B60 - VEHICLES IN GENERAL