Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735094 | Method for producing an ornamental concrete surface | — | 1998-04-07 |
| 5502941 | Method and apparatus for producing an ornamental concrete surface | Kenneth W. Masters, James Ogilvie, Edward Shea | 1996-04-02 |