JB

John H. Brywig

GE Grace Engineering: 2 patents #6 of 15Top 40%
Overall (All Time): #2,072,284 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8449416 Mechanical broadhead Nathaniel E. Grace 2013-05-28
7993224 Battery holder for a lighted archery nock 2011-08-09