| Patents for Fred A. Hassman |
Patents 1 -
15
of 25
      |
| Number | Date | Patentee | Title | Type |
| 1,938,776 | Dec. 12, 1933 | F.A. Hassman, L.F. Nenninger | Milling Machine | milling machines |
| 1,940,126 | Dec. 19, 1933 | F.A. Hassman | Milling Machine | milling machines |
| 1,969,231 | Aug. 07, 1934 | F.A. Hassman, L.F. Nenninger | Automatic Milling Machine | milling machines |
| 1,978,353 | Oct. 23, 1934 | F.A. Hassman, L.F. Nenninger | Automatic Milling Machine | milling machines |
| 2,010,556 | Aug. 06, 1935 | L.F. Nenninger, F.A. Hassman | Transmission and control mechanism for milling machines | milling machines |
| 2,218,469 | Oct. 15, 1940 | F.A. Hassman | Overarm Actuating Mechanism | milling machines |
| 2,226,431 | Dec. 24, 1940 | E.D. Vancil, F.A. Hassman | Lubricating Mechanism for Machine Tools | metalworking machine lubrication |
| 2,308,688 | Jan. 19, 1943 | F.A. Hassman | Milling Machine Control Mechanism | milling machines |
| 2,308,708 | Jan. 19, 1943 | F.A. Hassman, L.F. Nenninger | Milling Machine Transmission and Control Mechanism | milling machines |
| 2,327,107 | Aug. 17, 1943 | F.A. Hassman | Milling Machine | milling machines |
| 2,349,597 | May 23, 1944 | L.F. Nenninger, F.A. Hassman, E.D. Vancil | Lubricating System for Machine Tools | metalworking machine lubrication |
| 2,365,075 | Dec. 12, 1944 | F.A. Hassman | Milling Machine | milling machines |
| 2,393,928 | Jan. 29, 1946 | F.A. Hassman, L.F. Nenninger | Control Mechanism for Milling Machines | milling machines |
| 2,402,290 | Jun. 18, 1946 | F.A. Hassman, L.F. Nenninger | Knee Actuating Mechanism for Milling Machines | milling machines |
| 2,416,539 | Feb. 25, 1947 | F.A. Hassman, L.F. Nenninger | Milling Machine Indicating Dial | metalworking machine mechanisms |
