US1587526A
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Apparatus for controlling the supply of abrasive to grinding machines
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US1596658A
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Apparatus for applying abrasive to grinding apparatus
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US1336521A
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Apparatus for applying abrasives to grinding and smoothing mechanism
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US1340341A
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Sole
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US1311517A
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Method of and apparatus for applying finely-divided material to grinding and smoothing mechanism.
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US1099366A
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Method of applying abrasives to grinding apparatus.
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US1281371A
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Apparatus for applying abrasives to grinding-machines.
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US1221450A
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Method of making clay pots or crucibles.
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US1100302A
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Method of and apparatus for grading finely-divided materials.
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US1089705A
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Method of applying abrasives to grinding-machines.
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US1077982A
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Apparatus for applying abrasives to grinding-machines.
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US1056416A
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Method of applying abrasives to grinding apparatus.
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US1056415A
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Apparatus for applying abrasives to grinding apparatus.
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US990555A
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Charging glass-pots.
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US934612A
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Grinding apparatus.
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US934442A
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Grinding apparatus.
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US934441A
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Process for grading materials.
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US934611A
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Apparatus for grading materials.
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US935205A
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Railway-frog.
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US832860A
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Apparatus for the manufacture of sheet-glass.
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