Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7739845 | Insulated building block | — | 2010-06-22 |
| 5321926 | Building block | — | 1994-06-21 |
| 5209037 | Building block insert | John P. Neff, Kenneth J. Blake | 1993-05-11 |
| 5210377 | Coaxial electric signal cable having a composite porous insulation | William G. Hardie, Jack Hegenbarth | 1993-05-11 |
| 5208426 | Shielded electric signal cable having a two-layer semiconductor jacket | John Thomas Mongan, William G. Hardie | 1993-05-04 |
| 5066440 | Process for making an insulated building block | John P. Neff, Kenneth J. Blake | 1991-11-19 |
| 4986049 | Insulated building block | John P. Neff, Kenneth J. Blake | 1991-01-22 |