Patents for Albert H. Dall |
Patents 16 -
30
of 44
|
Number | Date | Patentee | Title | Type |
2,271,817 | Feb. 03, 1942 | A.H. Dall, H. Ernst | Micrometer Mechanism | grinding machines |
2,327,022 | Aug. 17, 1943 | S. Einstein, H. Ernst, A.H. Dall | Surface Finishing Machinery | grinding machines |
2,333,304 | Nov. 02, 1943 | C. Herfurth, A.H. Dall, H. Ernst | Surface Finishing Machinery | grinding machines |
2,471,097 | May 24, 1949 | H. Horlacher, A.H. Dall | Pattern Controlled Machine Tool | profiling machines |
2,492,687 | Dec. 27, 1949 | A.H. Dall | Hydraulic Pump | hydraulic apparatus |
2,492,688 | Dec. 27, 1949 | A.H. Dall | Hydraulic Power Unit | hydraulic apparatus |
2,507,558 | May 16, 1950 | W. Schroeder, A.H. Dall | Dynamic Balancing Mechanism | metalworking machine mechanisms |
2,520,879 | Aug. 29, 1950 | A.H. Dall | Lubricating System | cylindrical grinders |
2,535,909 | Dec. 26, 1950 | A.H. Dall, H. Ernst | Hydraulic Transmission | milling machines |
2,538,746 | Jan. 23, 1951 | A.H. Dall | Bearing Construction | metalworking machine bearings |
2,573,098 | Oct. 30, 1951 | A.H. Dall, H. Ernst | Hydraulic Feed Mechanism | hydraulic apparatus |
2,599,698 | Jun. 10, 1952 | A.H. Dall | Grinding Machine | grinding machines |
2,622,376 | Dec. 23, 1952 | A.H. Dall | Grinding Machine | grinding machines |
2,706,892 | Apr. 26, 1955 | A.H. Dall, H. Fritschi | Tracer Control Circuit for Pattern Controlled Machines | profiling machines |
2,709,877 | Jun. 07, 1955 | G.L. Grove, A.H. Dall | Automatic Infeed Mechanism for Centerless Grinders | metalworking machine mechanisms |