PS

Peter Christian Shann

Overall (All Time): #753,646 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7174832 Logging of detonator usage 2007-02-13
6422147 Sequential detonation of explosive charges 2002-07-23
6386111 Stemming arrangement and method for blast holes 2002-05-14
6000338 Electrical distribution system 1999-12-14
5894103 Detonator circuit 1999-04-13
5231245 Explosives 1993-07-27
4391195 Detonation of explosive charges and equipment therefor 1983-07-05