3 Matching Results

Search Results

Advanced search parameters have been applied.
in subjects: "Science and Technology - Tools"  
Results: 1 - 3

BLIND-STOP

Description: Patent for an improvement in Blind-Stops. "My invention relates to improvements in blind-stops, and has for its object to provide a simple, strong, and cheap device of this kind." (lines 15-18) and illustration.
Date: August 18, 1903
Creator: Koenig, Charles Louis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fireproof Floor Construction.

Description: Patent for fireproofing floor construction in a durable and huge manner. The parts that support and brace the flooring with v-shaped anchors and concrete walling, assist with fireproofing the floor.
Date: September 8, 1903
Creator: Shield, Patrick T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Educational Device.

Description: Patent for improvements in educational device by providing “a simple and comparatively inexpensive one designed for teaching addition, multiplication, subtraction, and division and capable of enabling the same to be explained with greater ease and at the expenditure of much less energy of both pupil and teacher.” (Lines 12-18) Illustration is included.
Date: February 10, 1903
Creator: Williams, Willoughby Columbus
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen