| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Australia | 1 | |
| #4 | Canada | 1 | |
| #5 | Republic of Korea | 1 | |
| #6 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Unspecified technologies | |
| #3 | Finishing work on buildings | |
| #4 | Structural elements | |
| #5 | Doors and windows | |
| #6 | Workshop equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Zieg Steven A | 8 |
| #2 | Noble Robert L | 4 |
| #3 | Glassco Robert B | 4 |
| Publication | Filing date | Title |
|---|---|---|
| EP0246300A1 | Modular building construction and method of building assembly. | |
| US4723388A | Easily formable grid for windows and the like | |
| AU5658786A | Grid for windows | |
| US4505456A | Railing and baluster connection | |
| US4408749A | Variable pitch railing and system | |
| US4403678A | Folding saw horse |