Inventor
JOHNSTON GENE
US4 patents
Patents
4 patentsUS8202377B2Jun 19, 2012
Non-toxic percussion primers and methods of preparing the same
ERICKSON JACK18 citations88
US8454769B2Jun 4, 2013
Non-toxic percussion primers and methods of preparing the same
ERICKSON JACK5 citations79
US8192568B2Jun 5, 2012
Non-toxic percussion primers and methods of preparing the same
ERICKSON JACK5 citations67
US8454770B1Jun 4, 2013
Non-toxic percussion primers and methods of preparing the same
ERICKSON JACK2 citations58