| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Germany | 5 | |
| #3 | United Kingdom | 5 | |
| #4 | Switzerland | 4 | |
| #5 | Denmark | 2 | |
| #6 | Sweden | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Furniture and games | |
| #3 | Consumer goods | |
| #4 | Control | |
| #5 | Textiles and paper | |
| #6 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Advertising | |
| #2 | Office furniture | |
| #3 | Filing and indexing | |
| #4 | Unspecified technologies | |
| #5 | Time tables | |
| #6 | Mechanical leather treatments |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wassell George W | 8 |
| #2 | George William Wassell | 3 |
| #3 | Wassel George William | 2 |
| #4 | William Wassell George | 1 |
| #5 | Lortie Frank N | 1 |
| #6 | Wassell G | 1 |
| #7 | Lloyd Wassell Frank | 1 |
| #8 | Frank Lloyd Wassell | 1 |
| #9 | William Tragert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3556047A | Information displaying device | |
| US3245545A | Rotary filing apparatus | |
| US3254432A | Data displaying device | |
| US3180339A | File hanger | |
| US3221890A | File tray | |
| GB894489A | Improvements relating to indicator boards | |
| GB876900A | Production control board | |
| GB876899A | Indicator board | |
| US3034474A | Control board panel | |
| GB852885A | Rotary file cabinet | |
| GB852013A | Rotary file cabinet for papers and the like | |
| US3071426A | Rotary file | |
| US2991701A | Planing machine | |
| US3036576A | Expansible index cards |