| Patents for Robert H. Clarke  | 
			    	Patents 1 - 
					6
					of 6
        | 
| Number | Date | Patentee | Title | Type | 
| GB-191,218,297 | Sep. 04, 1913 | R.H. Clarke | Apparatus for Gauging the Position of and Directing Access to Points within Closed Surfaces | surgeon | 
| GB-191,222,455 | Sep. 18, 1913 | R.H. Clarke |  Surgical Apparatus for use in Performing Operations within the Cranium | surgeon | 
| 1,093,112 | Apr. 14, 1914 | R.H. Clarke | Surgical Apparatus | surgeon | 
| GB-191,317,711 | Jul. 30, 1914 | R.H. Clarke |  Improvements in Apparatus for Gauging the Position of and Directing Access to Points within Closed Surfaces, applicable for Surgical Operations within the Cranium | surgeon | 
| 1,129,333 | Feb. 23, 1915 | R.H. Clarke | Stereotaxic Apparatus | surgeon | 
| 1,134,106 | Apr. 06, 1915 | R.H. Clarke | Apparatus for Gaging the Position of and Directing Access to Points Within Closed Surfaces | surgeon |