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Hydraulic press
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Patent number 4,920,783
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Issue date May 1, 1990
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Wyko Equipments Ltd.
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Brian Greaves
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B30 - PRESSES
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Clamping device
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Patent number 4,760,999
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Issue date Aug 2, 1988
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Tai-Her Yang
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Manual compactor
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Patent number 4,176,597
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Issue date Dec 4, 1979
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Nelson & Johnson Engineering
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Grant E. Stevenson
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B30 - PRESSES
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2968063
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Patent number 2,968,063
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Issue date Jan 17, 1961
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B30 - PRESSES
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2440054
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Patent number 2,440,054
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Issue date Apr 20, 1948
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B30 - PRESSES
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1918658
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Patent number 1,918,658
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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1797675
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Patent number 1,797,675
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Issue date Mar 24, 1931
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B30 - PRESSES
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1782076
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Patent number 1,782,076
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Issue date Nov 18, 1930
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B30 - PRESSES
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1726155
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Patent number 1,726,155
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Issue date Aug 27, 1929
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B30 - PRESSES
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1665202
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Patent number 1,665,202
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Issue date Apr 10, 1928
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B30 - PRESSES
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1592817
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Patent number 1,592,817
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Issue date Jul 20, 1926
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B30 - PRESSES
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1549074
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Patent number 1,549,074
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Issue date Aug 11, 1925
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B30 - PRESSES
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1534436
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Patent number 1,534,436
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Issue date Apr 21, 1925
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent number 1,523,640
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Issue date Jan 20, 1925
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B30 - PRESSES
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1522009
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Patent number 1,522,009
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Issue date Jan 6, 1925
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B30 - PRESSES
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1516982
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Patent number 1,516,982
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Issue date Nov 25, 1924
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B30 - PRESSES
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1513209
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Patent number 1,513,209
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B30 - PRESSES
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1502957
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Patent number 1,502,957
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B30 - PRESSES
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1488657
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Patent number 1,488,657
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Issue date Apr 1, 1924
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B30 - PRESSES
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1482251
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Patent number 1,482,251
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Issue date Jan 29, 1924
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B30 - PRESSES
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1465922
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Patent number 1,465,922
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Issue date Aug 21, 1923
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B30 - PRESSES
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1437943
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Patent number 1,437,943
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Issue date Dec 5, 1922
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B30 - PRESSES
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1431996
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Patent number 1,431,996
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Issue date Oct 17, 1922
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B30 - PRESSES
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1408450
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Patent number 1,408,450
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Issue date Mar 7, 1922
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...