Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412245 | Building member | Gerald Thomas Lane, Cornelis La Grouw, Johannes La Grouw | 2002-07-02 |
| D419246 | Building member | Gerald Thomas Lane, Cornelis La Grouw, Johannes La Grouw | 2000-01-18 |
| 5443878 | Composite weatherboard | Johannes La Grouw, Cornelius La Grouw | 1995-08-22 |