Mark E. Welfer

SS S. C. Johnson & Son: 1 patents #961 of 1,588Top 65%

📍 Mount Pleasant, WI: #29 of 44 inventorsTop 70%

🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%

Overall (All Time): #3,650,885 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5909845	Wick-based liquid emanation system with child-resistant overcap	Keith J. Greatbatch	1999-06-08