Inventor
HENNUM ERIK F
US4 patents
⚠️ This page may combine multiple inventors who share the name “HENNUM ERIK F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IBM
3 patentsUS7360167B2Apr 15, 2008
User interface expander and collapser
IBM44 citations92
US7689910B2Mar 30, 2010
Processing semantic subjects that occur as terms within document content
IBM9 citations78
US7996790B2Aug 9, 2011
Button area having a mixed state button for collapsing and expanding user interface items
IBM5 citations59