| Patents for Mark J. Hasenberg |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 5,369,863 | Dec. 06, 1994 | S.R. Wente, M.J. Hasenberg | Bicycle Crank Arm Puller | |
| 5,465,196 | Nov. 07, 1995 | M.J. Hasenberg, P.B. Rau | Portable Cordless Electric Utility Lamp | |
| 5,713,252 | Feb. 03, 1998 | M.J. Hasenberg, D.J. Iwinski | Ergonomic Multi-Tool Handle | tool handles |
| 5,718,028 | Feb. 17, 1998 | M.J. Hasenberg | Bicycle crank arm puller | |
| 5,763,764 | Jun. 09, 1998 | D.J. Caldwell, E.T. Gisske, R.D. Braun, M.M. Crass, T.P. Becker, M.J. Hasenberg, D. Mieczkowski | Evaporative Emission Tester | |
| 5,894,767 | Apr. 20, 1999 | W.J. Woodruff, M.J. Hasenberg, G.A. Wridt | Spoke Wrench | |
