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

William Rowlands — 1 Patent

APAptargroup: 1 patents #74 of 125Top 60%
Chicago, IL: #7,538 of 13,327 inventorsTop 60%
Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,773,823 of 4,157,543Top 95%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5427260 Closure with insertable tamper indicator Bruce M. Mueller 1995-06-27