Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5881525 | Window screen frame | Harry M. Riegelman | 1999-03-16 |
| 5018263 | Method for making a metal screen door frame | — | 1991-05-28 |
| 4503640 | Unitized construction for sliding closures and method for making | — | 1985-03-12 |
| 4356788 | Deepwater propellant embedded anchor having emergency release mechanism | Daniel G. True | 1982-11-02 |