| Patents for Paul R. Hahnemann |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
 | 833,716 | Oct. 16, 1906 | P.R. Hahnemann | Sheet-metal hollow-ware drawing-press |
| | 972,369 | Oct. 11, 1910 | P.R. Hahnemann | Power-press |
| | 1,126,452 | Jan. 26, 1915 | P.R. Hahnemann | Clutch |
| | 1,200,190 | Oct. 03, 1916 | P.R. Hahnemann | Can-body-forming machine |
| | 1,406,004 | Feb. 07, 1922 | P.R. Hahnemann | Metal Working Machine |
| | 1,521,367 | Dec. 30, 1924 | P.R. Hahnemann | Gauge for Machines for Folding Sheet Metal |
 | 1,735,243 | Nov. 12, 1929 | P.R. Hahnemann | Slip Roll Forming Machine |
 | 1,742,654 | Jan. 07, 1930 | P.R. Hahnemann | Slip Rol Forming Machine |
 | 1,752,843 | Apr. 01, 1930 | P.R. Hahnemann | Clutch |
 | 1,763,304 | Jun. 10, 1930 | P.R. Hahnemann | Slip-roll-forming machine |
