Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7523968 | Reach out lock | George E. Heid, Thomas Hänsel, Cheryl Hitchens | 2009-04-28 |
| 7255375 | Reach out lock | George E. Heid, Thomas Hänsel, Cheryl Hitchens | 2007-08-14 |
| 6658794 | Guide assembly for a tilt-out sash window | Thomas Hänsel, Charles H. Graham, George E. Heid, William M. Martz | 2003-12-09 |