| Patents for Paul R. Hahnemann |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 833,716 | Oct. 16, 1906 | P.R. Hahnemann | Sheet-metal hollow-ware drawing-press | stamping presses |
| 972,369 | Oct. 11, 1910 | P.R. Hahnemann | Power-press | punch presses |
| 1,126,452 | Jan. 26, 1915 | P.R. Hahnemann | Clutch | stamping presses |
| 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 | thread rolling machines |
| 1,521,367 | Dec. 30, 1924 | P.R. Hahnemann | Gauge for Machines for Folding Sheet Metal | gauges |
| 1,735,243 | Nov. 12, 1929 | P.R. Hahnemann | Slip Roll Forming Machine | sheet metal forming rolls |
| 1,742,654 | Jan. 07, 1930 | P.R. Hahnemann | Slip Rol Forming Machine | sheet metal forming rolls |
| 1,752,843 | Apr. 01, 1930 | P.R. Hahnemann | Clutch | industrial machine clutches |
| 1,763,304 | Jun. 10, 1930 | P.R. Hahnemann | Slip-roll-forming machine | sheet metal forming rolls |
| 1,812,479 | Jun. 30, 1931 | P.R. Hahnemann | Sheet metal working machine | sheet metal |
| 1,822,697 | Sep. 08, 1931 | P.R. Hahnemann | Sheet-metal working machine | beading machines |
| 1,853,766 | Apr. 12, 1932 | P.R. Hahnemann | Nonrepeating clutch | industrial machine clutches |
| 2,011,629 | Aug. 20, 1935 | F.E. Munschauer, P.R. Hahnemann | Clutch for punch presses or the like | punch presses |
