UNT Libraries Government Documents Department - 3 Matching Results

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Improvement in Mosquito-Net Frames.

Patent for "mosquito-net frames which are made adjustable, so that they may be extended over the bed or folded compactly, according to the requirements of use." (Lines 8-11) Includes instructions and illustrations.

Date: April 3, 1877

Creator: Volle, Johann F.

Item Type: Patent

Improvement in Preparations of Chewing-Gum.

The production of chewing-gum will become much simpler with the improved patent of chewing-gum.

Date: June 23, 1877

Creator: Cotter, Robert

Item Type: Patent

Improvement in Vapor-Burners.

Patent for, "an improved construction and arrangement of vapor-burner, by which the same is readily lighted, adjusted to a larger or smaller flame, or extinguished" (lines 13-17). Illustration included.

Date: February 27, 1877

Creator: Sawyer, Frederick A.

Item Type: Patent

UNT Libraries Government Documents Department - 3 Matching Results

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Improvement in Mosquito-Net Frames.

Improvement in Preparations of Chewing-Gum.

Improvement in Vapor-Burners.