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A Presidential Patent [Patents

IEEE Engineering in Medicine and Biology Magazine, 2010
There is only one U.S. president who is also a patentee. One might guess that the president is Thomas Jefferson, who invented many things and considered himself to be an inventor. Or, we might guess George Washington whose work as a surveyor and planter, not to mention commander-in-chief of the army, brought him into contact with the latest technology ...
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Patente / Patents

Tenside Surfactants Detergents, 1987
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PATENTE/PATENTS

Tenside Surfactants Detergents, 1993
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Patente/ Patents

Tenside Surfactants Detergents, 1995
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Patent/Patents

Starch - Stärke, 1976
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