Den Herder; Marvin J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Den Herder; Marvin J..The latest application filed is for "sulfurized fatty oil additives and their use in a lubricating oil and a fuel".
- Den Herder; Marvin J. - Olympia Fields IL
| Patent | Date |
|---|---|
| Sulfurized fatty oil additives and their use in a lubricating oil and a fuel Grant 4,380,499 - Kammann, Jr. , et al. April 19, 1 | 1983-04-19 |
| Sulfurized, transesterified oil additives and their use in a lubricating oil and a fuel Grant 4,380,498 - Kammann, Jr. , et al. April 19, 1 | 1983-04-19 |
| Hydraulic fluid Grant 3,981,813 - Den Herder , et al. September 21, 1 | 1976-09-21 |
| Sulfurized Fatty Oils Grant 3,850,825 - Vienna , et al. November 26, 1 | 1974-11-26 |
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