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Inventor
KERR DAVID HOWARD
GB
4 patents
⚠️ This page may combine multiple inventors who share the name “KERR DAVID HOWARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROCKWELL AUTOMATION LTD
2 patents
US7928330B2
Apr 19, 2011
Safety switch
ROCKWELL AUTOMATION LTD
9 citations
79
US7800004B2
Sep 21, 2010
Safety switch
ROCKWELL AUTOMATION LTD
0 citations
45
ROCKWELL AUTOMATION TECH INC
1 patent
US7724112B2
May 25, 2010
Safety switch
ROCKWELL AUTOMATION TECH INC
6 citations
56
KERR DAVID HOWARD
1 patent
US8119940B2
Feb 21, 2012
Contact block
KERR DAVID HOWARD
0 citations
28