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Patent applications and USPTO patent grants for Guslick; Gordon W..The latest application filed is for "fiberglass, reinforced concrete hose shut-off valve".
Patent | Date |
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Fiberglass, reinforced concrete hose shut-off valve Grant 6,871,832 - Lehnhardt , et al. March 29, 2 | 2005-03-29 |
Concrete hose shut-off valve Grant 6,817,591 - Lehnhardt , et al. November 16, 2 | 2004-11-16 |
Fiberglass, reinforced concrete hose shut-off valve App 20040149942 - Lehnhardt, Gary D. ;   et al. | 2004-08-05 |
Concrete hose shut-off valve App 20030127612 - Lehnhardt, Gary D. ;   et al. | 2003-07-10 |
Auto lock coupling with assymetrically-shaped gasket App 20030127851 - Guslick, Gordon W. ;   et al. | 2003-07-10 |
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