Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RK

Robert C. Kogelschatz — 2 Patents

MAMascotech: 2 patents #7 of 35Top 20%
Marine City, MI: #16 of 44 inventorsTop 40%
Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,290,785 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5474217 Article carrier for automotive vehicles Ralph J. Mandarino, Jon D. Sparham, Thomas C. Nanney, Con J. Nolan 1995-12-12
5375750 Article carrier for automotive vehicles Ralph J. Mandarino, Jon D. Sparham, Thomas C. Nanney, Con J. Nolan 1994-12-27