Lawrence N. Hjersted

📍 Chesterfield, MO: #1,900 of 6,461 inventorsTop 30%

🗺 Missouri: #6,609 of 23,789 inventorsTop 30%

Overall (All Time): #1,650,863 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5411569	Iron humate product	—	1995-05-02
5302180	Iron humate product	—	1994-04-12
5213692	Process for preparing preferred iron humates	—	1993-05-25