Issued Patents All Time
Showing 1–25 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601715 | Storage units and components for use in their construction | — | 2003-08-05 |
| 5237775 | Sliding mechanism for window constructions | — | 1993-08-24 |
| D314480 | Drawer runner | — | 1991-02-12 |
| D308251 | Window component | — | 1990-05-29 |
| D308104 | Window component | — | 1990-05-22 |
| D308105 | Window component | — | 1990-05-22 |
| D308106 | Window component | — | 1990-05-22 |
| D299970 | Sill member for a window or door construction | — | 1989-02-21 |
| D299967 | Guide and support member for a sliding door | Leon G. Litchfield | 1989-02-21 |
| D299962 | Cover member for a window or door construction | — | 1989-02-21 |
| D299964 | Frame component for a patio door | Leon G. Litchfield | 1989-02-21 |
| D299965 | Door frame component | Leon G. Litchfield | 1989-02-21 |
| D299966 | Glazing member | Leon G. Litchfield | 1989-02-21 |
| D299968 | Frame member for a window or door construction | — | 1989-02-21 |
| D299969 | Frame member for a window or door construction | — | 1989-02-21 |
| D290172 | Glazing bead for a window frame | — | 1987-06-02 |
| D289552 | Window frame component | — | 1987-04-28 |
| D289202 | Cover strip for a window frame | — | 1987-04-07 |
| D289203 | Window frame component | — | 1987-04-07 |
| D289204 | Window frame component | — | 1987-04-07 |
| D288965 | Glazing bead for a window frame | — | 1987-03-24 |
| D288615 | Trim strip for a window frame | — | 1987-03-03 |
| 4580366 | Sliding window construction | — | 1986-04-08 |
| 4525966 | Window systems | Leon G. Litchfield | 1985-07-02 |
| D278194 | Furniture drawer wall or similar article | — | 1985-04-02 |