| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Structural elements | |
| #3 | Finishing work on buildings | |
| #4 | Unspecified technologies | |
| #5 | Layered products |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stewart Perez M | 9 |
| #2 | Williams George Lester | 2 |
| #3 | Lester Williams George | 2 |
| #4 | Stewart Perez Mason | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1547249A | Building construction | |
| US1421335A | Building construction | |
| US1360812A | Building construction | |
| US1360979A | Reinforced building construction | |
| US1380432A | Building construction | |
| US1236994A | Protected metal article. | |
| US1288734A | Protected metal article. | |
| US1243001A | Protected metal structure. | |
| US1243000A | Composite beam. | |
| US1264991A | Building construction. | |
| US1174452A | Building construction. | |
| CA229598A | Building construction | |
| CA258654A | Building construction | |
| CA229597A | Building construction |