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

Daniel J. Rizika — 5 Patents

Millbury, MA: #16 of 93 inventorsTop 20%
Massachusetts: #23,459 of 88,656 inventorsTop 30%
Overall (All Time): #982,504 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9868277 Anti-marking coverings for printing presses Gary Litman, Joseph Llanes 2018-01-16
8381647 Anti-marking coverings for printing presses Gary Litman, Joseph Llanes 2013-02-26
7270873 Anti-marking coverings for printing presses Gary Litman, Joseph Llanes 2007-09-18
6811863 Anti-marking coverings for printing presses Gary Litman, Joseph Llanes 2004-11-02
5650213 Retroreflective composition Adam Rizika 1997-07-22