EJ

Earl S. Cogswell, Jr.

📍 Norwell, MA: #47 of 117 inventorsTop 45%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,109,182 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D641064 Propane tank transport stabilizer Donna J. Cogswell 2011-07-05
D564619 Propane tank transport stabilizer Donna J. Cogswell 2008-03-18