PE

Peter K. Ephland

SP Soft Play: 1 patents #5 of 9Top 60%
Overall (All Time): #3,839,163 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5267732 Wall mounted sliding block puzzle Walter Lee Bowen, Neal A. Crites 1993-12-07