Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9290968 | Locking mechanism for a cover | — | 2016-03-22 |
| 9157213 | Eccentric frame for an inlet of a catch basin or manhole | — | 2015-10-13 |
| 9127447 | Frame for an inlet of a catch basin or manhole | — | 2015-09-08 |
| D734838 | Grate | — | 2015-07-21 |
| D725238 | Frame for sewer grate | — | 2015-03-24 |
| D722679 | Frame | — | 2015-02-17 |
| D722678 | Grate | — | 2015-02-17 |
| D722366 | Guide for a frame for a sewer grate | — | 2015-02-10 |
| D699820 | Frame | — | 2014-02-18 |
| D699821 | Shim | — | 2014-02-18 |
| D699822 | Frame | — | 2014-02-18 |
| 7472666 | Support frame for tarpaulin used for sheltering boats and other objects | Robert Richard | 2009-01-06 |