YK

Yaacov Kaufman

Overall (All Time): #1,662,625 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5154472 Folding chair with continuously variable self-balanced tilting action — 1992-10-13
4692050 Joint and method of utilizing it — 1987-09-08
4618185 Ergonomic chair — 1986-10-21