1,136 Matching Results

Search Results

Advanced search parameters have been applied.
in place name: "United States - Texas - Grayson County - Denison"  
prev Results: 1129 - 1136

Railway-Car.

Description: Patent for a railway car that runs close to the railroad tracks, to prevent damage should it become derailed or in another accident. Includes instructions and illustrations.
Date: August 24, 1897
Creator: Finley, Jefferson L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railroad-Rail.

Description: Patent for a new and useful railroad rail, including instructions and illustrations.
Date: August 16, 1898
Creator: Hariman, George V.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Beer-Refrigerators.

Description: Patent for "an improved refrigerator for cooling lager-beer in the keg, and keep it cool for a long time with a small quantity of ice" (lines 15-18) including illustrations.
Date: August 17, 1875
Creator: Bohart, John N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Engineer's Graduating-Valve.

Description: Patent for an graduating valve that is used with air brake systems in railroad trains. The invention is meant to "produce a comparatively simple valve which is constructed in such a way that it is not likely to clog or get out of order, which is arranged so that successive regular reductions may be easily made in the pressure of air in the train service pipe, which is adapted to automatically act on the governor of the air pipe from pressure either above or below the main valve, which is constr… more
Date: August 15, 1893
Creator: Pelham, Walter O.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ballast-Scraper.

Description: Patent for new and useful improvements in ballast scrapers, including instructions and illustrations.
Date: August 22, 1899
Creator: McElvaney, Charles T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen