The SIG MKMS was sub-machine gun designed by Schweizerische Industrie Gesellschaft (SIG) company in Neuhausen during the early 1930s and was first introduced in 1933.
Minder grew up in Neuhausen, attended secondary school at Rosenberg, college at the Ecole Supérieure de Commerce de Neuchâtel and Fordham University, where he obtained an MBA.