SY

Sueto Yuasa

Overall (All Time): #1,684,455 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4325351 Coacting wheel ball emitting device of tennis training system 1982-04-20
4299383 Tennis training device 1981-11-10
4280697 Tennis training device 1981-07-28