| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Argentina | 4 | |
| #3 | United Kingdom | 4 | |
| #4 | Belgium | 3 | |
| #5 | France | 3 | |
| #6 | Germany | 2 | |
| #7 | Canada | 1 | |
| #8 | Italy | 1 | |
| #9 | Japan | 1 | |
| #10 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cayton Robert J | 7 |
| #2 | Rosenquist Kurt E | 4 |
| #3 | Hyman David L | 3 |
| #4 | Edward Rosenquist Kurt | 2 |
| #5 | Debitsudo Ruizu Heiman | 1 |
| #6 | La Mers Herbert | 1 |
| #7 | Rosenquist Kurt | 1 |
| #8 | Rosenquist K | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4195680A | Color variable window covering | |
| JPS5359244A | Covering device for venetian blind | |
| US4049038A | Louvered covering system | |
| ZA7002831B | Interlocking cap for foldable door | |
| US3516473A | Interlocking cap for foldable door | |
| US3486549A | Folding panel or door | |
| US3343588A | Transversing vertical venetian blind | |
| US3298425A | Vertical venetian blind | |
| US3205935A | Foldable traverse screen | |
| US3192784A | Non-traversing vertical blind |