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 1895-1965 | 1968-1985 | 1987-1993 | 1994-1998 | 1999-Present 1968 Indianapolis-based diagnostics company Bio-Dynamics buys DePuy. Landis stays on as president. DePuy receives exclusive marketing rights to the Muller Hip, developed by Maurice E Muller, one of the pioneers in total hip arthroplasty. DePuy acquires Kellogg Industries in Jackson, Michigan. Kellogg had been in its earlier years a corset and foundation manufacturer and later helped the war effort by sewing gas masks and wool face helmets. Kellogg began sewing DePuy's soft goods products such as braces and splints, freeing up production space in Warsaw for the manufacture of hip prostheses. Kellogg closes in 1997 when manufacturing operations are moved to DePuy OrthoTech in Tracy, California. 1969 Bob Williams is named president of DePuy. Landis becomes president of Bio-Dynamics. 1974 Boehringer Mannheim purchases Bio-Dynamics and, in turn, DePuy. 1975 DePuy relocates to its present location at 700 Orthopaedic Drive, Warsaw, Indiana. 1979-1980 DePuy's AML® Total Hip System becomes the first implant indicated for biological fixation. DePuy begins offering the unrivaled method of metalsintering, Porocoat® Porous Coating, enhancing the tissue ingrowth DePuy systems. 1981 After 16 years of service, Keaton Landis retires. 1984 DePuy introduces the LCS® Total Knee System, the only mobile bearing knee system approved for use in the United States. The mobile bearings are designed to more closely duplicate the biomechanics of a normal knee while maintaining low contact stress between the bearing surfaces. 1985 Bob Williams retires as president of DePuy and is replaced by Jim Lent. 1895-1965 | 1968-1985 | 1987-1993 | 1994-1998 | 1999-Present |
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