35515602 Oct 196729 Dec 1970Heinrich F ThieleProcess of reconstructing tendons,cartilage,nerve sheaths,and productsUS356282021 Aug 196716 Feb 1971Bernhard BraunTubular sheet and strip form prostheses on a basis of biological tissueUS391480223 May 197428 Oct 1975Ebert MichaelNon-thrombogenic prosthetic materialUS39194114 Feb 197411 Nov 1975Bayvet CorpInjectable adjuvant and compositions including s