UNT Libraries Government Documents Department - 2 Matching Results

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Combination-Flue.

Patent for the improvement of combination flue to be more inexpensive and for the parts to be more readily assembled and properly supported.

Date: January 20, 1920

Creator: Carl, Reinhold Adolph

Item Type: Patent

Patent for an improved washing machine: "The invention consists in combining a lower cylinder having longitudinal spiral grooves with an upper cylinder having longitudinal straight grooves and holes" (lines 14-17).

Date: January 20, 1880

Creator: Dorris, George W.

Item Type: Patent

UNT Libraries Government Documents Department - 2 Matching Results

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Combination-Flue.

Washing-Machine.