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Patent applications and USPTO patent grants for Gapinski; Richard E..The latest application filed is for "all-weather tractor hydraulic fluid using a mixture of viscosity modifier types to meet shear-stable multigrade viscosity requirements".
Patent | Date |
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All-weather tractor hydraulic fluid using a mixture of viscosity modifier types to meet shear-stable multigrade viscosity requirements Grant 7,189,682 - Gapinski March 13, 2 | 2007-03-13 |
All-weather tractor hydraulic fluid using a mixture of viscosity modifier types to meet shear-stable multigrade viscosity requirements App 20040110647 - Gapinski, Richard E | 2004-06-10 |
Borated overbased sulfonates for improved gear performance in functional fluids Grant 5,635,459 - Stoffa , et al. June 3, 1 | 1997-06-03 |
Lubricants, greases and aqueous fluids containing additives derived from dimercaptothiadiazoles Grant 5,368,758 - Gapinski November 29, 1 | 1994-11-29 |
Lubricants, greases, aqueous fluids and concentrates containing additives derived from dimercaptothiadiazoles Grant 5,318,712 - Lange , et al. June 7, 1 | 1994-06-07 |
Acid sensor Grant 5,023,133 - Yodice , et al. June 11, 1 | 1991-06-11 |
Acid sensor Grant 4,791,374 - Yodice , et al. December 13, 1 | 1988-12-13 |
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