HC

Harold Crowson

Overall (All Time): #1,245,474 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7827915 Gas check with system for improved loading and retention in bore of muzzleloading firearms Daniel W. Hall 2010-11-09
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
4745663 Fastening device for a rope 1988-05-24