RD

Richard J. Duffy

NF Nylok Fastener: 34 patents #1 of 10Top 10%
NY Nylok: 2 patents #7 of 18Top 40%
📍 Salem, MA: #1 of 331 inventorsTop 1%
🗺 Massachusetts: #2,065 of 88,656 inventorsTop 3%
Overall (All Time): #87,154 of 4,157,543Top 3%
38
Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
5169621 Method for coating fasteners Anthony DiMaio, Eugene D. Sessa 1992-12-08
5141771 Method for producing coated fastener samples Anthony DiMaio, Eugene D. Sessa 1992-08-25
5090355 Apparatus and method for producing coated fastener samples Anthony DiMaio, Eugene D. Sessa 1992-02-25
5078083 Method and apparatus for coating fasteners Anthony DiMaio, Eugene D. Sessa 1992-01-07
RE33766 Coated fasteners and process for making the same Joseph R. Dudley, Gregory A. Fruehe 1991-12-10
5025750 Apparatus for coating fasteners Eugene D. Sessa 1991-06-25
4888214 Aparatus and method for coating fasteners Anthony DiMaio, Eugene D. Sessa 1989-12-19
4865881 Apparatus and process for making locking slide nuts Eugene D. Sessa 1989-09-12
4842890 Method for coating fasteners Eugene D. Sessa 1989-06-27
4835819 Coated fasteners and process for making the same 1989-06-06
4815414 Powder spray apparatus Eugene D. Sessa 1989-03-28
4775555 Apparatus and process for making locking nuts 1988-10-04
4366190 Locking patch machine Philip J. Rodden 1982-12-28