WJ

William J. Duffy, Jr.

Illinois Tool Works: 3 patents #1,165 of 4,258Top 30%
IF Invisible Fence: 3 patents #5 of 12Top 45%
ME Miller Edge: 2 patents #13 of 22Top 60%
📍 Christiana, PA: #3 of 16 inventorsTop 20%
🗺 Pennsylvania: #10,339 of 74,527 inventorsTop 15%
Overall (All Time): #607,739 of 4,157,543Top 15%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
12429179 Illuminated sensing edge assembly for swing gate barrier system Bearge D. Miller, Tim Castello, Michael A Petruzzo, Kevin Ward 2025-09-30
10246927 Sensing edge Tim Castello, Krishnaraj Tejeswi, Daniel G. Lasley 2019-04-02
5535969 Fold over scissors clip 1996-07-16
5533469 Programming apparatus for programmable animal control device Scott F. Touchton, Donald L. Peinetti 1996-07-09
5476729 Electronic device having a removable battery pack assembly Kenneth Miller 1995-12-19
5445900 Electronic device having a removable battery pack assembly Kenneth Miller 1995-08-29
5393185 Push-in fastener having fins with work-piece engagement ribs 1995-02-28
5290137 Pin bushing 1994-03-01