Vojtech Kopsky

UN Unknown: 1 patents #29,356 of 83,584Top 40%

Overall (All Time): #2,298,691 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D353850	Three-dimensional puzzle	Karel Hrsel	1994-12-27
D340093	Cube-like puzzle	Karel Hrsel	1993-10-05