Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7455803 | Window and door form for prefabricated concrete walls | — | 2008-11-25 |
| 7426808 | Method of forming concrete building modules | — | 2008-09-23 |
| 6976344 | Method of assembling concrete panel building module with connection plates and resulting module | — | 2005-12-20 |
| 6852185 | Method of securing shingles to building roofs | — | 2005-02-08 |
| 6691470 | Concrete building module roof form with I-beam and support apparatus | — | 2004-02-17 |
| 6625940 | Concrete building module with module lifting means and method | — | 2003-09-30 |
| 6598357 | Concrete building module roof form and support apparatus | — | 2003-07-29 |
| 6578815 | Concrete wall and rib form | — | 2003-06-17 |
| 5667001 | Coping cutting apparatus | James Headberg | 1997-09-16 |
| 5381635 | Construction wall panel and panel structure | — | 1995-01-17 |
| 5313753 | Construction wall panel and panel structure | — | 1994-05-24 |