LY

Lin Yu

MC Mine Safety Appliances Company: 3 patents #2 of 25Top 8%
📍 Quincy, MA: #1 of 6 inventorsTop 20%
🗺 Massachusetts: #90 of 2,831 inventorsTop 4%
Overall (1989): #8,810 of 140,708Top 7%
3
Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4868323 Preparation of isonitriles 1989-09-19
4845276 Preparation of dialkoxybenzoic acid 1989-07-04
4845277 Method of preparing dialkoxybenzoic acid 1989-07-04