SL

Stephen Langhans

VI Visa: 2 patents #840 of 2,009Top 45%
📍 San Francisco, CA: #14,272 of 26,999 inventorsTop 55%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,269,599 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5621201 Automated purchasing control system Laurence M. Goodman, Sigman L. Shapiro 1997-04-15
5500513 Automated purchasing control system Laurence M. Goodman, Sigman L. Shapiro 1996-03-19