Richard W. Jahnke

TL The Lubrizol: 2 patents #2 of 9Top 25%

📍 Mentor-on-the-Lake, OH: #1 of 1 inventorsTop 100%

🗺 Ohio: #167 of 2,550 inventorsTop 7%

Overall (1982): #8,807 of 81,411Top 15%

Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4346148	Phosphorus-containing compositions, lubricants containing them and metal workpieces coated with same	—	1982-08-24
4321308	Metal workpieces coated with ester-based hot melt metal working lubricants	—	1982-03-23