Keith R. Mardak

📍 Elm Grove, WI: #86 of 140 inventorsTop 65%

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

Overall (All Time): #3,986,424 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4709895	Portable viewing stand	—	1987-12-01