| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 11 | |
| #2 | United States | 4 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | Hong Kong | 2 | |
| #5 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Furniture and games | |
| #3 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Office furniture | |
| #3 | Special light sources | |
| #4 | Lighting device details | |
| #5 | Non-portable lighting devices | |
| #6 | Locks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ball Douglas C | 17 |
| #2 | Walker Marshall | 12 |
| #3 | Stumpf William | 9 |
| #4 | Ludwig Gary | 9 |
| #5 | Ludwig Gary R | 2 |
| #6 | Stumpf William S | 2 |
| #7 | Himsl Ernst G | 1 |
| #8 | Dagurasu Shii Booru | 1 |
| #9 | Maashiyaru Waakaa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1218822A | Space divider system | |
| CA1214306A | Space divider system | |
| CA1191319A | Space divider system | |
| CA1177622A | Space divider system | |
| US4404776A | Hanging components for space divider system | |
| US4446663A | Acoustical pad | |
| CA1150031A | Space divider system | |
| CA1152553A | Desk or the like with wire management | |
| US4351017A | Ambient light | |
| US4323291A | Desk or the like with wire management | |
| CA1115921A | Space divider system | |
| CA1083028A | Office chair | |
| CA1061849A | Lock and interlock mechanism |