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    Pink Floyd’s Dark Side of the Moon album entered the charts in March 1973, and wouldn’t leave the charts for a staggering 724 weeks (15 years!).

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A specialty letter box was patented by Albert Potts

On the 9th of March, 1858, Albert Potts received a patent for his Mode of Attaching Metallic Letter-Boxes to Lamp-Posts.

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  • On 7th February, 1995, Gunter and Williams patented a Personalized Interactive Storybook... Read more »
  • On 8th March, 1994, The wheeled suitcase with a collapsible handle was patented... Read more »
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