J. David Rau

📍 Baltimore, MD: #2,529 of 4,923 inventorsTop 55%

🗺 Maryland: #19,431 of 35,612 inventorsTop 55%

Overall (All Time): #3,834,358 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5249311	Fluid pressure device for opening clogged pipes	—	1993-10-05