John R. Chitjian

📍 Long Grove, IL: #78 of 163 inventorsTop 50%

🗺 Illinois: #34,584 of 84,256 inventorsTop 45%

Overall (All Time): #2,332,400 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4855004	Seam welding machine for thermoplastic material	—	1989-08-08
4646482	Recirculating sandblasting machine	—	1987-03-03