Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7044825 | Panel and girder system for construction toy | Joel I. Glickman, Charles Rodgers | 2006-05-16 |
| 5673955 | Pan gripper or the like with spring anchor | — | 1997-10-07 |
| 5669647 | Pan gripper or the like | — | 1997-09-23 |
| 5427559 | Chain drive for construction toy system | Joel I. Glickman, Ralph J. Boettcher | 1995-06-27 |