Van E. Sun

SLStenograph, L.L.C.: 1 patents #11 of 14Top 80%

Palo Alto, CA: #7,003 of 9,675 inventorsTop 75%

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

Overall (All Time): #3,551,868 of 4,157,543Top 90%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6422771	Disposable ribbon cartridge for shorthand machine	Frank Chvojcsek	2002-07-23