fhwissel - 9-23-2016 at 10:02 AM
Danny Mattijetz filed for a patent on March 4, 1999 and was awarded a patent on December 11, 2001 for "Multi-image display screen". To find out more
read "Modern Day Inventor" on the Wend Blog "Frank's Findings."
Attachment: Danny Mattijetz Patent.pdf (436kB)
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