Vladimir Gelfand

📍 Wheeling, IL: #240 of 399 inventorsTop 65%

🗺 Illinois: #48,934 of 84,256 inventorsTop 60%

Overall (All Time): #3,441,155 of 4,157,543Top 85%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6854429	Engine with double sided piston	—	2005-02-15