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

Steven E. Callahan

MIMicroplas: 7 patents #1 of 9Top 15%
Westborough, MA: #115 of 500 inventorsTop 25%
Massachusetts: #15,851 of 88,656 inventorsTop 20%
Overall (All Time): #646,379 of 4,157,543Top 20%
8 Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D766734 Flexible pouch with internal structure William T. Fitzsimmons, Isaac Haverlick, Shane Yellin, David G. Honan, Roger R. Fontaine +1 more 2016-09-20
5921521 Copy stand William T. Fitzsimmons 1999-07-13
5775663 Copy Stand William T. Fitzsimmons 1998-07-07
D388605 Card case W. Tyler Fitzsimmons 1998-01-06
5632374 Compact disc transfer station Tyler Fitzsimmons, Todd K. Dyment, Jon A. Noce 1997-05-27
5509731 Ejecting storage case Todd K. Dyment, Anthony L. Gelardi, Tyler Fitzsimmons 1996-04-23
5464091 Protective covers Robert Petit 1995-11-07
5415298 Recorded medium storage case Todd K. Dyment 1995-05-16