JA

John S. Allan

📍 Somerville, MA: #1,823 of 2,735 inventorsTop 70%
🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%
Overall (All Time): #3,974,412 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4665788 Keyboard apparatus Jeff Tripp, F. Merrick Murphy 1987-05-19