| http://www.w3.org/ns/prov#value | - Patent US7520434 - Reader for reading machine-readable symbols, for example bar code symbols - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsA machine-readable symbol reader for reading machine-readable symbols such as barcode symbols employs a first reflective surface having a first perimeter to create a pointer beam, and a movable secon
|
