2 Matching Results

Search Results

Results: 1 - 2

Wrench

Description: Patent for a wrench designed for right and left-handed users, makes for simpler use of tool by having fewer components than other more standards wrenches.
Date: February 9, 1915
Creator: Wulff, William F. & Wulff, M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Photographic Copying Apparatus

Description: Patent for a simple and effective photographic-copying apparatus capable of making copies of small objects of different sizes. The machine is for general commercial use "that may be successfully operated by persons not particularly skilled in the photographic art" (lines 23-25) including illustrations.
Date: February 2, 1915
Creator: Gregory, Oscar T. & Carkhuff, Norman W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
Back to Top of Screen