Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8186906 | Screed machine for preparing a stone base | — | 2012-05-29 |
| 7980843 | Concrete dispensing apparatus for pre-cast concrete forms | Carl S. Martin, Matthew S. Hildebrand | 2011-07-19 |
| 7736048 | Segmented auger for a concrete dispensing apparatus | Carl S. Martin, Matthew S. Hildebrand | 2010-06-15 |
| 7530203 | Pre-cast concrete wall with truss ledge | Robert W. Hare | 2009-05-12 |
| 6494004 | Self jigging concrete wall structure and method of construction | — | 2002-12-17 |
| 5656194 | Assembly jig for prefabricated concrete walls | — | 1997-08-12 |
| 5055252 | Method of constructing an integrated concrete wall structure | — | 1991-10-08 |
| 4934121 | Integrated reinforced concrete wall structure | — | 1990-06-19 |
| 4751803 | Prefabricated concrete wall structure | — | 1988-06-21 |
| 4605529 | Method of constructing a prefabricated concrete wall structure | — | 1986-08-12 |
| 4570398 | Sprayed concrete basement structure | — | 1986-02-18 |