Hess M. Roberts

📍 Chesterfield, MO: #2,561 of 6,461 inventorsTop 40%

🗺 Missouri: #8,863 of 23,789 inventorsTop 40%

Overall (All Time): #2,215,083 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6405907	Fully integrated drum pump	—	2002-06-18
D435409	Drum/barrel bung wrench	—	2000-12-26