Home › Casio Phonemate › Catherine Tsang

Catherine Tsang — 1 Patent

CPCasio Phonemate: 1 patents #6 of 11Top 55%

Monterey Park, CA: #153 of 275 inventorsTop 60%

California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #3,687,472 of 4,157,543Top 90%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5768364	Software speakerphone system and method of operating a speakerphone	Mark J. Karnowski, Frank Sacca	1998-06-16