Washecheck; Don M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Washecheck; Don M..The latest application filed is for "ceiling grid wall clip".
- Washecheck; Don M. - Stoughton WI
- Washecheck; Don M. - Naperville IL
- Washecheck; Don M. - Katy TX
| Patent | Date |
|---|---|
| Ceiling grid wall clip Grant D422,486 - Wolfe , et al. April 11, 2 | 2000-04-11 |
| Ceiling panel hold down clip Grant D421,897 - Washecheck , et al. March 28, 2 | 2000-03-28 |
| Hydrocarbon conversion catalyst Grant 5,316,995 - Kaminsky , et al. May 31, 1 | 1994-05-31 |
| Hydrocarbon conversion Grant 5,312,795 - Kaminsky , et al. May 17, 1 | 1994-05-17 |
| Emissions control system and method Grant 5,303,547 - Mieville , et al. April 19, 1 | 1994-04-19 |
| Selective hydrotreating Grant 5,266,188 - Kukes , et al. November 30, 1 | 1993-11-30 |
| Hydrocarbon conversion Grant 5,198,596 - Kaminsky , et al. March 30, 1 | 1993-03-30 |
| Hydrocarbon conversion Grant 5,196,634 - Washecheck , et al. March 23, 1 | 1993-03-23 |
| Catalysts for the oxidative conversion of methane to higher hydrocarbons Grant 5,024,984 - Kaminsky , et al. June 18, 1 | 1991-06-18 |
| Catalysts for the oxidative conversion of methane to higher hydrocarbons Grant 4,939,311 - Washecheck , et al. July 3, 1 | 1990-07-03 |
| Two-step heterocyclic nitrogen extraction from petroleum oils Grant 4,790,930 - Madgavkar , et al. December 13, 1 | 1988-12-13 |
| Single-stage hydrotreating process for converting pitch to conversion process feedstock Grant 4,534,852 - Washecheck , et al. August 13, 1 | 1985-08-13 |
| Hydrodenitrification catalyst Grant 4,530,911 - Ryan , et al. July 23, 1 | 1985-07-23 |
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