Mark Douglas Childress

📍 Mishawaka, IN: #127 of 338 inventorsTop 40%

🗺 Indiana: #13,671 of 33,936 inventorsTop 45%

Overall (All Time): #2,184,653 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6962124	Round boat	Charles Dean North, Rodney Irwin Howard	2005-11-08
D289095	Cat litterbox screen	Steven Chiodo	1987-03-31