Douglas Fast

📍 Hastings, MI: #6 of 10 inventorsTop 60%

🗺 Michigan: #3,817 of 10,747 inventorsTop 40%

Overall (2019): #483,976 of 560,194Top 90%

Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
10517288	Benthic barrier mat and method	—	2019-12-31