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

John R. Griffin — 9 Patents

ExxonMobil: 6 patents #1,824 of 10,161Top 20%
Milton, MA: #57 of 436 inventorsTop 15%
Massachusetts: #14,132 of 88,656 inventorsTop 20%
Overall (All Time): #590,142 of 4,157,543Top 15%
9 Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
5763543 Olefin polymerization process with little or no scavenger present Michael E. Muhle, Gary Thomas Renola, Agapios K. Agapiou, Dwayne Lee Litteer 1998-06-09
5712352 Polymerization process Patrick Brant, Michael E. Muhle, Dwayne Lee Litteer, Agapios K. Agapiou, Gary Thomas Renola 1998-01-27
5462999 Process for polymerizing monomers in fluidized beds Marc L. DeChellis, Michael E. Muhle 1995-10-31
5436304 Process for polymerizing monomers in fluidized beds Marc L. DeChellis 1995-07-25
5405922 Process for polymerizing monomers in fluidized beds Marc L. DeChellis, Michael E. Muhle 1995-04-11
5352749 Process for polymerizing monomers in fluidized beds Marc L. DeChellis 1994-10-04
4517043 Custom denture fabrication technic Raymond H. Martin, Ugo S. Garganese 1985-05-14
4500289 Denture occlusal mounting translator Ugo S. Garganese, Raymond H. Martin 1985-02-19
4337039 Plasterless articulator Raymond H. Martin, Ugo S. Garganese 1982-06-29