Chad Robert Stewart

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Toronto, CA

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Patents Grantslast 30 patents

Information Patent Grant
Audio input/output device
- Patent number D810137
- Issue date Feb 13, 2018
- Cosmo Product Innovation, Ltd.
- Hing Wah Tsang
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Speaker
- Patent number D726152
- Issue date Apr 7, 2015
- FKA Distributing Co., LLC
- Roman S. Ferber
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Speaker
- Patent number D691587
- Issue date Oct 15, 2013
- FKA Distributing Co., LLC
- Roman S. Ferber
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Portable power supply for a mobile device
- Patent number D674748
- Issue date Jan 22, 2013
- FKA Distributing Co.
- Roman S. Ferber
- D13 - Equipment for production, distribution, or transformation of energy