| http://www.w3.org/ns/prov#value | - In the illustrated embodiments, the invention permits a television to be put under parental control in order to limit the viewing time of each child in...http://www.google.com/patents/US5331353?utm_source=gb-gplus-sharePatent US5331353 - Device for limiting the amount of time an electrical appliance such as a television may be usedAdvanced Patent SearchPublication numberUS5331353 APublication type
|
