Inventor · disambiguated record
Walter E. Lisowski
Also filed as: LISOWSKI WALTER · LISOWSKI WALTER E
17 granted patents·572 citations·filing 1977–2023
95Inventor score
Files withLISOWSKI WALTER E8HELM PRODUCTS INC3MID WEST SCREW PRODUCTS INC2WATTRON JAMES P2AKINS LARRY W1
Top patents by PatentIndex Score
17 records- 0196US4799444ARail clampHELM PRODUCTS INC·Filed 1987·Granted Jan 24, 1989·124 cites·5 claims
- 0293US5347681AReleasable fifth wheel caster for skateboardsWATTRON JAMES P·Filed 1993·Granted Sep 20, 1994·106 cites·7 claims
- 0389US4338875ABoats hardware systemLISOWSKI WALTER E·Filed 1980·Granted Jul 13, 1982·39 cites·8 claims
- 0488US5937473AIntake clearing tool for jet-powered aquatic vehiclesFiled 1997·Granted Aug 17, 1999·50 cites·6 claims
- 0588US5026016ARetainer clipHELM PRODUCTS INC·Filed 1989·Granted Jun 25, 1991·113 cites·18 claims
- 0679US5594974AReleasable casterWATTRON JAMES P·Filed 1994·Granted Jan 21, 1997·47 cites·9 claims
- 0773USD596020SRoller shade bracketLISOWSKI WALTER E·Filed 2008·Granted Jul 14, 2009·19 cites·1 claims
- 0870US7353881B2Ganged fire extinguisher systemAKINS LARRY W·Filed 2005·Granted Apr 8, 2008·10 cites·8 claims
- 0966USD289162SVideo camera shoulder restLISOWSKI WALTER E·Filed 1984·Granted Apr 7, 1987·9 cites·1 claims
- 1063USD455766SCollet headMID WEST SCREW PRODUCTS INC·Filed 2001·Granted Apr 16, 2002·13 cites·1 claims
- 1163USD455162SCollet headMID WEST SCREW PRODUCTS INC·Filed 2001·Granted Apr 2, 2002·13 cites·1 claims
- 1257USD596018SRoller shade bracketLISOWSKI WALTER E·Filed 2008·Granted Jul 14, 2009·10 cites·1 claims
- 1350US4194459ABoats hardware systemHELM PRODUCTS INC·Filed 1977·Granted Mar 25, 1980·10 cites·6 claims
- 1441USD596019SRoller shade bracketLISOWSKI WALTER E·Filed 2008·Granted Jul 14, 2009·4 cites·1 claims
- 1539USD356882SHolder for boat winch handleLISOWSKI WALTER E·Filed 1993·Granted Mar 28, 1995·3 cites·1 claims
- 1635USD1066578SFuel vent spill eliminatorLISOWSKI WALTER E·Filed 2023·Granted Mar 11, 2025·0 cites·1 claims
- 1735USD356881SInsert for a holder for boat winch handleLISOWSKI WALTER E·Filed 1993·Granted Mar 28, 1995·2 cites·1 claims
Join the waitlist — get patent alerts
Get an alert when Walter E. Lisowski files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →