Daniel P. Howell

📍 Sparta, MI: #26 of 54 inventorsTop 50%

🗺 Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #3,540,873 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6371090	Vacuum vapor injector	—	2002-04-16