David A. Perrin, III

Follow

Person

Warren, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Audio toy
- Patent number D551305
- Issue date Sep 18, 2007
- Sun Yu
- D21 - Games, toys, and sports goods
Information Patent Grant
Audio toy
- Patent number D513282
- Issue date Dec 27, 2005
- Homedics, Inc.
- Sun Yu
- D21 - Games, toys, and sports goods