<Table> Reese's Peanut Butter Cups <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Product type </Th> <Td> Confectionery </Td> </Tr> <Tr> <Th> Owner </Th> <Td> The Hershey Company (H.B. Reese Candy Company) </Td> </Tr> <Tr> <Th> Country </Th> <Td> United States </Td> </Tr> <Tr> <Th> Introduced </Th> <Td> 1928 </Td> </Tr> <Tr> <Th> Markets </Th> <Td> Worldwide </Td> </Tr> <Tr> <Th> Previous owners </Th> <Td> H.B. Reese </Td> </Tr> <Tr> <Th> Tagline </Th> <Td> Reese's...perfect </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.reeses.com </Td> </Tr> </Table> <Tr> <Th> Product type </Th> <Td> Confectionery </Td> </Tr>

When were reese's peanut butter cups introduced