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Patents for Mark S. Bakula | |||||
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Picture | Number | Date | Patentee | Title | |
4,777,852 | Oct. 18, 1988 | M.S. Bakula, E.T. Gustafson, A.J. Bliemeister, D.J. Caldwell, T.R. Herman | Ratcheting Screwdriver | ||
![]() | D307,236 | Apr. 17, 1990 | M.S. Bakula, S.R. Wente, T.S. Severson, D.J. Caldwell, S.S. Cascio | Screwdriver |