RM

Robert J. Mrofka

📍 Chicago, IL: #5,168 of 13,327 inventorsTop 40%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,158,963 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7237792 Protective cushion for a trailer hitch or the like Ted Kowalski 2007-07-03
6913277 Towing hitch extension Ted Kowalski 2005-07-05