HC

Harold Crowson

📍 Boise, ID: #194 of 590 inventorsTop 35%
🗺 Idaho: #268 of 1,066 inventorsTop 30%
Overall (2004): #63,431 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6796068 Muzzleloading bullet with expanding pin for gas check Mike McMichael 2004-09-28
6763765 Break-away gas check for muzzle-loading firearms 2004-07-20