DT

Douglas Trotman

📍 Yelm, WA: #9 of 29 inventorsTop 35%
🗺 Washington: #35,300 of 76,902 inventorsTop 50%
Overall (All Time): #2,182,871 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6932525 Keyboard arrangement for easy acquisition of typing skills — 2005-08-23
6632038 Keyboard arrangement for easy acquisition of typing skills — 2003-10-14