MK

Matthew A. Katzer

📍 Portland, OR: #115 of 685 inventorsTop 20%
🗺 Oregon: #330 of 2,197 inventorsTop 20%
Overall (2005): #44,369 of 245,428Top 20%
2
Patents 2005

Issued Patents 2005

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6909945 Model train control system 2005-06-21
6877699 Model train control system 2005-04-12