John J. Pietruszewski

PT Praxair Technology: 1 patents #513 of 918Top 60%

UC Union Carbide: 1 patents #697 of 1,402Top 50%

📍 Buffalo, NY: #253 of 839 inventorsTop 35%

🗺 New York: #48,759 of 115,490 inventorsTop 45%

Overall (All Time): #2,305,320 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
RE34434	Oxygen enriched air system	Michael J. Campbell, James Smolarek	1993-11-09
4867766	Oxygen enriched air system	Michael J. Campbell, James Smolarek	1989-09-19