| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Machine tools | |
| #3 | Mechanical elements | |
| #4 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Rail vehicle suspensions | |
| #2 | Soldering, welding and flame cutting | |
| #3 | Nails | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berg Thomas R | 7 |
| #2 | Heyden Thomas J | 4 |
| #3 | Pak Wilson W S | 4 |
| #4 | Bullock Robert L | 3 |
| #5 | Shaw William B | 2 |
| #6 | Thomas J Haden | 1 |
| #7 | William B Shaw | 1 |
| #8 | Bullok Robert L | 1 |
| #9 | Wilson W S Pack | 1 |
| #10 | Robert L Block | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA2305610A1 | Center clamp assembly for frame brace rail truck | |
| CA2183803A1 | Frame brace integral cross brace support bracket |