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Patent applications and USPTO patent grants for Wiersma; Wouter J..The latest application filed is for "positive air flow apparatus for infrared gas broiler".
Patent | Date |
---|---|
Positive air flow apparatus for infrared gas broiler Grant 6,776,151 - Wiersma , et al. August 17, 2 | 2004-08-17 |
Positive air flow apparatus for infrared gas broiler App 20030037780 - Wiersma, Wouter J. ;   et al. | 2003-02-27 |
Spill tray Grant D434,601 - Lewis , et al. December 5, 2 | 2000-12-05 |
Venting system for gas oven Grant 6,098,613 - Wiersma August 8, 2 | 2000-08-08 |
Forced draft direct vent system for a water heater Grant 5,074,464 - Moore, Jr. , et al. * December 24, 1 | 1991-12-24 |
Forced draft direct vent system for a water heater Grant 4,925,093 - Moore, Jr. , et al. May 15, 1 | 1990-05-15 |
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