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1876 – Alexander Graham Bell was granted a patent in for the telephone.
1887 – Everett Horton of Connecticut patented a fishing rod of telescoping steel tubes.
1994 – Don Ku was granted a patent for a wheeled suitcase with a collapsible towing handle.
1822 – Charles Graham of NY was granted the first US patent for artificial teeth.
1858 – Albert Potts of Philadelphia patented the street mailbox.
1954 – Gladys Geissman was granted a patent for a baby’s garment.
1791 – Samuel Mulliken, Phila, is 1st to obtain more than 1 US patent.