MK

Matthew A. Katzer

📍 Portland, OR: #36 of 1,042 inventorsTop 4%
🗺 Oregon: #102 of 2,981 inventorsTop 4%
Overall (2011): #11,029 of 364,097Top 4%
6
Patents 2011

Issued Patents 2011

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
8065045 Model train control system 2011-11-22
7970504 Model train control system 2011-06-28
7912595 Model train control system 2011-03-22
7904215 Model train control system 2011-03-08
7890224 Model train control system 2011-02-15
7885735 Model train control 2011-02-08