Lederle-Praxis 1989
- Nationality:
- American
- based:
- New York state, United States
1906- Ernest Lederle founds Lederle Laboratories at Pearl River New York City; part of American Cyanamid Company; 1989 - American Cyanamid Lederle Laboratories take over Praxis Biologicals; 1994 parent company overtaken by Wyeth
