WL

Walter E. Lisowski

UN Unknown: 2 patents #12,644 of 83,584Top 20%
📍 Chicago, IL: #590 of 13,327 inventorsTop 5%
🗺 Illinois: #4,396 of 84,256 inventorsTop 6%
Overall (All Time): #245,180 of 4,157,543Top 6%
18
Patents All Time

Issued Patents All Time

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
D1066578 Fuel vent spill eliminator 2025-03-11
D596019 Roller shade bracket 2009-07-14
D596020 Roller shade bracket 2009-07-14
D596018 Roller shade bracket 2009-07-14
7353881 Ganged fire extinguisher system Larry W. Akins 2008-04-08
D455766 Collet head 2002-04-16
D455162 Collet head 2002-04-02
D437679 Adjustable walker cane Virginia Lisowski 2001-02-20
5937473 Intake clearing tool for jet-powered aquatic vehicles 1999-08-17
5594974 Releasable caster James Wattron 1997-01-21
D356882 Holder for boat winch handle 1995-03-28
D356881 Insert for a holder for boat winch handle 1995-03-28
5347681 Releasable fifth wheel caster for skateboards James Wattron 1994-09-20
5026016 Retainer clip 1991-06-25
4799444 Rail clamp 1989-01-24
D289162 Video camera shoulder rest 1987-04-07
4338875 Boats hardware system 1982-07-13
4194459 Boats hardware system 1980-03-25