DS

David Sipperly

Overall (All Time): #3,257,871 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7988511 Freediving safety apparatus Henry M. (Chip) Bissell, IV, Sheri Gayle Daye, Terry L. Maas, Jason R. Bush, Peter Madnick +2 more 2011-08-02