Inventor
ZAPPALORTI ALVARO
US3 patents
Patents
3 patentsUS5631440AMay 20, 1997
Universal isolation member and non-electric detonator cap including the same
ENSIGN BICKFORD CO28 citations90
US5597973AJan 28, 1997
Signal transmission fuse
ENSIGN BICKFORD CO41 citations90
US5501151AMar 26, 1996
Alternate signal path isolation member and non-electric detonator cap including the same
ENSIGN BICKFORD CO12 citations69