

This display in M. L. Cooper Pharmacy’s window advertises that the store carries Parke-Davis products. Parke-Davis was founded in 1866, and in 2000 it became a subsidiary of Pfizer, a well-known pharmaceutical company. Parke-Davis and Company is credited with building the first modern pharmaceutical laboratory and developing the first systematic methods of performing clinical trials of new medications.

Courtesy Pharmacy: An Illustrated History
More on Parke-Davis and Company:
- The Early History of Parke-Davis: http://www.scs.illinois.edu/~mainzv/HIST/bulletin_open_access/v25-1/v25-1%20p28-34.pdf
- Parke-Davis on Wikipedia: https://en.wikipedia.org/wiki/Parke-Davis
- History of Parke, Davis and Company: http://www.herbmuseum.ca/content/history-parke-davis-co