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| Patents for Alfred Kullman | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,294,187 | Aug. 25, 1942 | T.A. Waltz, A. Kullman | Apparatus for Heat Treating | ||
| 2,312,839 | Mar. 02, 1943 | T.A. Waltz, A. Kullman | Flame Hardening Of Rack Bars | ||
| 2,326,368 | Aug. 10, 1943 | C. Black, A. Kullman | Gear Forming Machine | ||
| 2,346,923 | Apr. 18, 1944 | T.A. Waltz, A. Kullman | Apparatus for Flame Hardening Racks and the Like | ||
| 3,074,683 | Jan. 22, 1963 | A. Kullman | Single Plane Tracer Valve | ||