| Patents for Mark L. Petroske |
Patents 1 -
4
of 4
      |
| Number | Date | Patentee | Title | Type |
| 5,791,211 | Aug. 11, 1998 | M.L. Petroske, D.A. Burda, B. Bondhus, M.D. Blackston, J.R. Bondhus | Folding hand tool set | wrench set holders |
| 5,970,828 | Oct. 26, 1999 | M.L. Petroske, D.A. Burda, B. Bondhus, M.D. Blackston, J.R. Bondhus | Folding hand tool set | wrench set holders |
| 6,128,981 | Oct. 10, 2000 | B. Bondhus, M.D. Blackston, J.R. Bondhus, M.L. Petroske, D.A. Burda | Folding hand tool set | wrench set holders |
| 7,127,955 | Oct. 31, 2006 | M.L. Petroske, J. Bondhus | Torque limiting handle | wrench handle components |
