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(en )
1939-09-05
Automatic reproducing process and machine
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(en )
1993-11-16
Computer-controlled laser cutter
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(en )
1948-07-13
Silhouette reproducing machine
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(en )
1951-09-04
Lateral register control mechanism for printing presses
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(en )
1964-06-02
Photoelectric line or edge tracer
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(en )
1978-09-27
Velocity command signal generating apparatus
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(en )
1968-03-27
Apparatus for automatically drawing lines
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(en )
1964-05-19
photosensitive line tracer scanning head
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(en )
1975-02-18
Dual torch cutting apparatus
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(en )
1971-09-08
Heating apparatus
GB818654A
(en )
1959-08-19
Tracer control system
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(en )
1964-02-18
Automatic electro-hydraulic tracer
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(en )
1975-05-14
Apparatus for welding or cutting workpieces
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(en )
1966-11-15
Edge following servo control
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(en )
1972-03-14
Apparatus for automatically drawing lines
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(en )
1969-08-06
Variable Lead Device for Line Tracers
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(en )
1937-07-06
Apparatus for control of machine tools
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(en )
1968-01-30
Co-ordinate drive line tracer
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(en )
1958-09-23
Automatic copying machine with anticipator control
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(en )
1976-03-23
Process and apparatus for automatically cutting out work pieces in accordance with a pattern
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(en )
1943-09-21
Photocell control
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(en )
1963-06-26
Machine tool control system
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(en )
1970-03-03
Photoelectric kerf and lead compensator having two concentric pivotably mounted housings for compensation in two directions
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(en )
1968-02-13
Pattern tracing apparatus with crossline detection circuit
US3073962A
(en )
1963-01-15
Photoelectric tracer apparatus employing a second photoelectric cell for path reversal