Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450265 | Large orifice ESFR sprinkler arrangement | — | 2002-09-17 |
| 6082463 | Concealed extended coverage quick response sprinkler | — | 2000-07-04 |
| 5915479 | Velo sprinkler arrangement for protecting special occupancy hazards | — | 1999-06-29 |
| 5893418 | Sprinkle guard | — | 1999-04-13 |
| 5890657 | Sprinkler arrangement | — | 1999-04-06 |
| 4880063 | Adjustable concealed sprinkler | Ernest Leininger, Leonard Blum | 1989-11-14 |
| 4480564 | Button locating clamp for sewing machines | — | 1984-11-06 |
| 4474123 | Work clamp shifting mechanism for sewing machines | — | 1984-10-02 |
| 4444137 | Sewing machine needle clamp | — | 1984-04-24 |