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Warner

For profit

Phase 1 Phase 2 Phase 3 Phase 4

Acquired by Warner Lambert → Pfizer on Jan 1, 1955

Timeline

1850s

Jan 1, 1856
Warner— Founded

1950s

Jan 1, 1955
Warner Lambert— Acquired By

2000s

Jan 1, 2000
Pfizer— Now

Details

Founded: Philadelphia, PA, US Jan 1, 1856