Inventor
HALL PHILIP R
US11 patents
⚠️ This page may combine multiple inventors who share the name “HALL PHILIP R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ILLINOIS TOOL WORKS
7 patentsUS6507473B2Jan 14, 2003
Low voltage modular room ionization system
ILLINOIS TOOL WORKS25 citations95
US6417581B2Jul 9, 2002
Circuit for automatically inverting electrical lines connected to a device upon detection of a miswired condition to allow for operation of device even if miswired
ILLINOIS TOOL WORKS34 citations95
US6252756B1Jun 26, 2001
Low voltage modular room ionization system
ILLINOIS TOOL WORKS28 citations95
US7161788B2Jan 9, 2007
Low voltage modular room ionization system
ILLINOIS TOOL WORKS16 citations92
US6643113B2Nov 4, 2003
Low voltage modular room ionization system
ILLINOIS TOOL WORKS6 citations73
US7924544B2Apr 12, 2011
Low voltage modular room ionization system
ILLINOIS TOOL WORKS4 citations68
US7391599B2Jun 24, 2008
Low voltage modular room ionization system
ILLINOIS TOOL WORKS2 citations62