Patents for Alfred Kullman |
Patents 1 -
5
of 5
|
Number | Date | Patentee | Title | Type |
2,294,187 | Aug. 25, 1942 | T.A. Waltz, A. Kullman | Apparatus for Heat Treating | heat treating machines |
2,312,839 | Mar. 02, 1943 | T.A. Waltz, A. Kullman | Flame Hardening Of Rack Bars | heat treating machines |
2,326,368 | Aug. 10, 1943 | C. Black, A. Kullman | Gear Forming Machine | gear measuring machines |
2,346,923 | Apr. 18, 1944 | T.A. Waltz, A. Kullman | Apparatus for Flame Hardening Racks and the Like | heat treating machines |
3,074,683 | Jan. 22, 1963 | A. Kullman | Single Plane Tracer Valve | tracer controlled lathes |