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William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.

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J » Johnson - JoiDropdown » Johnson, Rod - Johnson, Roy A. Dropdown
Johnson, Rod (2)Johnson, Rodd EricJohnson, Roderick D. (2)Johnson, Roderick M.Johnson, Roderick MichaelJohnson, Rodger G.Johnson, RodneyJohnson, Rodney C. (3)Johnson, Rodney D.Johnson, Rodney G. (2)Johnson, Rodney George (3)Johnson, Rodney J. (2)Johnson, Rodney L. (3)Johnson, Rodney N.Johnson, Rodney O.Johnson, Rodney P. (2)Johnson, Rodney W.Johnson, Roger (5)Johnson, Roger A. (11)Johnson, Roger C. (2)Johnson, Roger D. (5)Johnson, Roger E. (7)Johnson, Roger EarlJohnson, Roger EricJohnson, Roger F. (3)Johnson, Roger H. (3)Johnson, Roger L. (3)Johnson, Roger LaverneJOHNSON, Roger LaverneJohnson, Roger M. (3)Johnson, Roger N. (4)Johnson, Roger NealJohnson, Roger P.Johnson, Roger R.
Johnson, Roger S.Johnson, Roger ScottJohnson, Roger W. (2)Johnson, Roger WillardJohnson, Roland (2)Johnson, Roland E.Johnson, Roland H. (3)Johnson, Roland NormanJohnson, Roland R.Johnson, Roland W.Johnson, Rolland P.JOHNSON, ROLLAND P.Johnson, Rollie R.Johnson, Rollin W.Johnson, Romain H.Johnson, Romer D.Johnson, Ron (4)Johnson, Ronald (7)Johnson, Ronald A. (4)Johnson, Ronald B. (4)Johnson, Ronald BruceJohnson, Ronald C. (3)Johnson, Ronald ClydeJohnson, Ronald D. (4)Johnson, Ronald DouglasJohnson, Ronald E. (4)Johnson, Ronald ElvidgeJohnson, Ronald EugeneJohnson, Ronald F. (4)Johnson, Ronald G. (3)Johnson, Ronald H.JOHNSON, RONALD H.Johnson, Ronald J. (3)Johnson, Ronald K. (3)
Johnson, Ronald L. (12)Johnson, Ronald LeonJohnson, Ronald Leslie (4)Johnson, Ronald M. (4)Johnson, Ronald MarkJohnson, Ronald Miles (2)Johnson, Ronald P. (2)Johnson, Ronald R. (2)Johnson, Ronald S.Johnson, Ronald V.Johnson, Ronald W. (5)Johnson, Ron D.Johnson, Ron J.Johnson, Ron M.Johnson, Ronnie DaleJohnson, Roosevelt (2)JOHNSON, RORY M.Johnson, Rory MatthewJohnson, Roscoe F.Johnson, Rose A.Johnson, Rosemary OJohnson, Rosemary O.Johnson, Ross (4)JOHNSON, ROSSJohnson, Ross ArtherJohnson, Ross E. (3)Johnson, Ross EvanJohnson, Ross G.Johnson, Ross S. (3)Johnson, Roy (5)JOHNSON, ROYJohnson, Roy A. (10)
 
 
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