Columbus, Ohio
United States
3
2024-10-01
Michael Grassi from Columbus, US has applied for patents for these inventions. The list has both pending applications and granted patents:
High-fragmenting flashbang grenade charge holder
#2 | 2022-07-19High-fragmenting flashbang grenade charge holder
#3 | 2021-03-11Shaft minimizing ellipticalization strain error
5022366 ⎘