LA

Leland E. Ashman

CE Ceres: 1 patents #70 of 97Top 75%
📍 Belmont, MA: #652 of 1,163 inventorsTop 60%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,368,709 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4364677 Method and means of rapidly distnguishing a simulated diamond from natural diamond 1982-12-21
4255962 Method and means of rapidly distinguishing a simulated diamond from natural diamond 1981-03-17