David Spence

📍 Kirkwood, MO: #4 of 18 inventorsTop 25%

🗺 Missouri: #293 of 1,153 inventorsTop 30%

Overall (1997): #161,290 of 185,788Top 90%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5643646	Tinted bottles for food or drugs	—	1997-07-01