SS

Stephan D. Spiva

📍 Sunnyvale, CA: #7,978 of 14,302 inventorsTop 60%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,365,351 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
RE30859 Bowling practice device Leslie E. Harvey 1982-02-02
4286784 Bowling practice device Leslie E. Harvey 1981-09-01