A Dual Razor Blade Assembly was patented by Francis W. Dorion Jr. of The Gilette Company
On the 3rd April, 1973, Francis W. Dorion Jr. received a patent for a Dual Razor Blade Assembly, assigned under The Gilette Company.
‘Lead’ pencils have never actually contained any traces of lead, but rather a mix of graphite and other materials.
On the 3rd April, 1973, Francis W. Dorion Jr. received a patent for a Dual Razor Blade Assembly, assigned under The Gilette Company.


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