Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7282659 | Panel assembly apparatus | Fred L. Givens, Gary W. Vonnahme | 2007-10-16 |
| 7188826 | Internal clip for a rail | — | 2007-03-13 |
| 7159853 | Welded barrier system | Fred L. Givens, Gary W. Vonnahme | 2007-01-09 |
| 7071439 | Method for barrier assembly | Fred L. Givens, Gary W. Vonnahme | 2006-07-04 |
| 6969051 | Two-part rail with internal picket connection | — | 2005-11-29 |
| 6874767 | Fence | — | 2005-04-05 |
| 6811145 | Barrier formed by resistance projection welding | Fred L. Givens, Gary W. Vonnahme | 2004-11-02 |
| 6254064 | Ornamental ring for fence | — | 2001-07-03 |
| 6176043 | PVC gate framing system | — | 2001-01-23 |
| 5443244 | Rolled metal fence rail | — | 1995-08-22 |
| 5345723 | Gate conversion method | — | 1994-09-13 |
| 5272838 | Gate conversion kit | — | 1993-12-28 |
| 5167049 | Square frame hinge | — | 1992-12-01 |
| 5136813 | Cantilever-type sliding gate | Paul J. Bulten | 1992-08-11 |