Hewlett-Packard patents granted on 21 June 2016

5 US patents granted on 21 June 2016 and assigned to Hewlett-Packard

1 9,373,032 Forensic verification utilizing forensic markings inside halftones
2 9,372,644 Sending a job processing notice to a social network contact
3 9,372,349 Glasses-free 3D display for multiple viewers with a resonant subwavelength lens layer
4 9,370,958 Printable medium
5 9,370,944 Calibration of a retro-reflective sensor