KH

Karl E. Hannan

📍 Pittsfield, NH: #6 of 22 inventorsTop 30%
🗺 New Hampshire: #5,349 of 12,181 inventorsTop 45%
Overall (All Time): #2,030,811 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9207027 Rifle dry-fire apparatus and method William J. Marshall 2015-12-08
9057577 Rifle dry-fire apparatus and method William J. Marshall 2015-06-16