| T. Waszczuk | 
| 
				 | 
Patents
| 
						Filing No./Date Filing Publication  | 
					
						Autors Title Protection Area, Applicant Name  | 
					
						Patent Number Date of Grant  | 
					|
|---|---|---|---|
| 
						162940 1973-05-30 1975-03-01  | 
					Filipczyński L.♦, Waszczuk T.♦, Sałkowski J.♦, Szkóp H.♦ Ultrasound to visualize the internal structures of the body PL, Instytut Podstawowych Problemów Techniki PAN | 
						91039 1977-07-30  | 
					
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