Helmut J. Draxler

📍 Cincinnati, OH: #4,941 of 8,043 inventorsTop 65%

🗺 Ohio: #42,657 of 73,341 inventorsTop 60%

Overall (All Time): #4,065,228 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4315527	Expansion tanks for pressurized fluids and diaphragms therefor	Leon Donnenberg	1982-02-16