Hollas, Ernest D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hollas, Ernest D..The latest application filed is for "colored cement composition".
- Hollas, Ernest D. - Weimar TX
- Hollas; Ernest D. - Weimax TX
| Patent | Date |
|---|---|
| Colored cement composition App 20040226482 - Johansen, Charles J. JR. ; et al. | 2004-11-18 |
| Colored cement Grant 6,692,565 - Johansen, Jr. , et al. February 17, 2 | 2004-02-17 |
| Colored cement App 20020144632 - Johansen,, Charles J. JR. ; et al. | 2002-10-10 |
| Method of using a coloring composition in a concrete based composition Grant 5,951,752 - Johansen, Jr. , et al. September 14, 1 | 1999-09-14 |
| System and method for producing a pigmented cement composition Grant 5,855,665 - Johansen, Jr. , et al. January 5, 1 | 1999-01-05 |
| Method for preparing a pigmented dispersing pigment cement composition Grant 5,846,315 - Johansen, Jr. , et al. December 8, 1 | 1998-12-08 |
| System and method for dispersing pigment in cement based compositions Grant 5,558,708 - Johansen, Jr. , et al. September 24, 1 | 1996-09-24 |
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