If you find a patent number or patent date by this manufacturer that is not on this
                                list, please contact the Site Historian.
                            
                            
			
                                
                                    Key to Links for Patent Information
                                
                                
                                    USPTO = U.S. Patent Office .
                                    Images of the actual patent can be viewed on the U.S. Patent Office web site but
                                    a special TIFF viewer must be installed with your browser in order properly work.
                                    More information on how to configure your computer to view these patents can be
                                    found at TIFF image Viewers
                                        for Patent Images.
                                    DATAMP = Directory of American Tool And
                                        Machinery Patents . A sister site to VintageMachinery.org with information
                                    on patents related to machinery and tools. A much easier user interface than the
                                    USPTO's for finding information on machinery patents.
                                
                                
                                    
  
  
    | CA-8,487 | Mar. 04, 1878 | Improvements in curtain fixtures | Josiah  Nesbitt | Toronto, Canada | Josiah Nesbitt was a machinist, and Alexander Anderson was an accountant. "Our invention relates more particularly to that class of window fixtures in which the roller is operated through the action of a single cord but in addition to this we provide an improved method for attaching the window blind or curtain to the roller..." | 
  
    |  |  | Improvements in curtain fixtures | Alexander  Anderson | Toronto, Canada |  | 
  
    | 209,771 | Nov. 12, 1878 | Improvements in curtain-rollers | Alexander  Anderson | Toronto, Canada | "Our invention relates more particularly to that class of window-fixtures in which the roller is operated through the action of a single cord; but in addition to this we provide an improved method for attaching the window blind or curtain to the roller..." | 
  
    |  |  | Improvements in curtain-rollers | Josiah  Nesbitt | Toronto, Canada |  | 
  
    | CA-10,262 | Jul. 21, 1879 | Improvements in fire alarm boxes | Josiah  Nesbitt | Toronto, Canada | The inventors are described as "Manufacturers of electrical instruments". | 
  
    |  |  | Improvements in fire alarm boxes | Alexander  Anderson | Toronto, Canada |  | 
  
    | 225,633 | Mar. 16, 1880 | Electric railway-semaphore | Josiah  Nesbitt | Toronto, Canada |  | 
  
    | CA-11,202 | Apr. 29, 1880 | Improvements on railway semaphores | Josiah  Nesbitt | Toronto, Canada | The drawing is captioned, "Watson's Electric Signal". There is no mention of a person named Watson anywhere else on the patent. | 
  
    | 268,523 | Dec. 05, 1882 | Electric device for operating the throttle-valves of steam-engines | Josiah  Nesbitt | Toronto, Canada |  | 
  
    | CA-16,229 | Jan. 31, 1883 | Improvement on electric devices for operating throttle valves | Josiah  Nesbitt | Toronto, Canada | The invention enables "an engine or other machine to be stopped from any point or points in the factory, and it consists in the application of an electro magnet arranged to sustain the mechanism by which the throttle-valve or other cut-off is operated and provided with a key or keys by which the current is broken..." | 
  
    | CA-38,659 | Apr. 06, 1892 | Stop for engines and machinery | Josiah  Nesbitt | Toronto, Canada |  |