DH

Douglas C. Hayes

🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,442,302 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6860060 Dumpster rodent control system Jonathan M. Boyar 2005-03-01