PA

Peter C. Acker

Microsoft: 1 patents #24,826 of 40,388Top 65%
Overall (All Time): #3,582,547 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6234802 Virtual challenge system and method for teaching a language John P. Pella, Quentin DeWolf, Charles A. Hale, Renée Louise April, Jason T. Cortese +1 more 2001-05-22