DG

Douglas H. Glendon

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 North Reading, MA: #98 of 228 inventorsTop 45%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,220,751 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6493453 Hearing aid apparatus — 2002-12-10
5812680 Hearing aid apparatus — 1998-09-22