| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Unspecified technologies | |
| #3 | Scaffolding | |
| #4 | Shaping clay | |
| #5 | Structural elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gillespie Russell A | 7 |
| #2 | Carper Harold R | 3 |
| #3 | Stalle George E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2842235A | Metal window structure | |
| US2863534A | Metal window | |
| US2896248A | Window | |
| US2768716A | Window | |
| US2898646A | Metal window | |
| US2804954A | Metal window framing | |
| US2847727A | Storm sash | |
| US2897570A | Apparatus for making composite slabs | |
| US2804893A | Power actuated block clamping apparatus and method | |
| US2949705A | Reinforced concrete slab construction | |
| US2889588A | Metal window structure |