Inventor
OSTERHOLM WILLIAM
US3 patents
Patents
3 patentsUS6831699B2Dec 14, 2004
Deployable monitoring device having self-righting housing and associated method
CHANG INDUSTRY INC62 citations93
US7333148B2Feb 19, 2008
Deployable monitoring device having self-righting housing and associated method
CHANG INDUSTRY INC21 citations90
US7030929B2Apr 18, 2006
Deployable monitoring device having self-righting housing and associated method
CHANG INDUSTRY INC20 citations90