Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D727485 | Cast concrete fireplace | Jeremy L. Manthei | 2015-04-21 |
| 8968623 | Process and apparatus for demolding and palletizing cast concrete blocks | — | 2015-03-03 |
| 7687006 | Form for casting concrete blocks and other objects | Jeremy L. Manthei | 2010-03-30 |
| 7618578 | Method and apparatus for forming concrete blocks | Jeremy L. Manthei | 2009-11-17 |
| D589631 | Concrete block simulating natural stone | Jeremy L. Manthei | 2009-03-31 |
| D589163 | Concrete block simulating natural stone | Jeremy L. Manthei | 2009-03-24 |
| D589164 | Concrete block simulating natural stone | Jeremy L. Manthei | 2009-03-24 |
| D589165 | Concrete block simulating natural stone | Jeremy L. Manthei | 2009-03-24 |
| D589167 | Concrete block simulating natural stone | Jeremy L. Manthei | 2009-03-24 |
| D589168 | Concrete block simulating natural stone | Jeremy L. Manthei | 2009-03-24 |
| D589169 | Concrete block simulating natural stone | Jeremy L. Manthei | 2009-03-24 |
| D589166 | Concrete block simulating natural stone | Jeremy L. Manthei | 2009-03-24 |
| D589159 | Concrete block simulating natural stone | Jeremy L. Manthei | 2009-03-24 |
| D589160 | Concrete block simulating natural stone | Jeremy L. Manthei | 2009-03-24 |
| D589161 | Concrete block simulating natural stone | Jeremy L. Manthei | 2009-03-24 |
| D589162 | Concrete block simulating natural stone | Jeremy L. Manthei | 2009-03-24 |
| 6874293 | Protruding planter block for retaining wall | — | 2005-04-05 |
| 6854702 | Form for manufacturing concrete blocks for freestanding walls | Benjamin R. Manthei | 2005-02-15 |
| 6835343 | Method for handling concrete retaining wall blocks | Benjamin R. Manthei | 2004-12-28 |
| 6715965 | Retaining wall blocks and retaining walls constructed from such blocks | Benjamin R. Manthei | 2004-04-06 |