UNT Libraries Government Documents Department - 6 Matching Results
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- Roofing Construction
- Patent for a weatherproof roofing construction. Illustrations included.
- Gun Muffler
- Patent for a gun-muffler. This design if for use with fire-arms to muffle the discharge sound. Illustration included.
- Boiler Attachment.
- Patent for a boiler attachment to regulate the boiler feed pump.
- Grate-Bar.
- Patent for a grate bar for furnaces, which allows for proper air distribution in the furnace.
- Grate Bar
- Patent for a grate bar.Illustration included.
- Hoisting Device
- Patent for a hoisting device. Illustration included.