Inventor
AITCHISON DAVID
US9 patents
⚠️ This page may combine multiple inventors who share the name “AITCHISON DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ESSELTE BUSINESS BVBA
3 patentsUS7748941B2Jul 6, 2010
Punching and binding system and elements thereof
ESSELTE BUSINESS BVBA1 citations59
US7500813B2Mar 10, 2009
Punching and binding system and elements thereof
ESSELTE BUSINESS BVBA2 citations59
US7665943B2Feb 23, 2010
Punching and binding system and elements thereof
ESSELTE BUSINESS BVBA0 citations48