| 
										 
											Patent No. 
                     | 
                    
										 
											Items 
                     | 
                
                
                    | PAT 218352 | 
                    Taps with Guide Thread at chamfer portion | 
                
                
                    | PAT 832615 | 
                    Bent Shanks Taps | 
                
                
                    | PAT 842688 | 
                    Device for pushing nuts for automatic nut tapping machine | 
                
                
                    | PAT 845510 | 
                    Bent Shank Taps, R-Nib Type | 
                
                
                    | PAT 883070 | 
                    Bent Shank Taps, AH Taps (Coupler Type) | 
                
                
                    | PAT 931767 | 
                    Bent Shank Taps(Coupler with External Threads Type) | 
                
                
                    | PAT 1095398 | 
                    Bent Shank Taps Preventing from Eccentricity of nuts during tapping | 
                
                
                    | PAT 1162721 | 
                    Carbide-Tipped Taps | 
                
                
                    | PAT 1244931 | 
                    Hard Crest (HC) taps | 
                
                
                    | PAT 1916543 | 
                    Nut Taps with Lead Guide | 
                
                
                    | Patent pending | 
                    Bent Shank Taps | 
                
                
                    | Patent pending | 
                    Forming Taps | 
                
                
                    PAT 1652806 
										West Germany | 
                    Bent Shank Taps, AH Taps (Coupler Type) | 
                
                
                    PAT 1209196 
										England | 
                    Bent Shank Taps, AH Taps (Coupler Type) |