| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 6 | |
| #3 | United Kingdom | 5 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Transport | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Vehicle wheels | |
| #3 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | John Maguire | 4 |
| #2 | Maguire John | 4 |
| #3 | Frey Louis E | 3 |
| #4 | Elliott Frey Louis | 3 |
| #5 | Frey Louis Elliott | 3 |
| #6 | Ziegenfuss Truman S | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB902598A | Roller for bed frames | |
| US3076978A | Adjustable bed frame | |
| US3076980A | Roller for bed frames | |
| US3076977A | Sofa bed and table unit | |
| GB863893A | Combined sofa bed and end member | |
| GB859430A | Bed structure | |
| GB873096A | Combined sofa bed, divan and desk | |
| US2904796A | Combined sofa bed and end table | |
| US2880448A | Adjustable frame support | |
| US2964778A | Caster | |
| US2806228A | Sofa-bed | |
| US2602937A | Sofa bed | |
| CA607451A | Caster | |
| CA668702A | Adjustable bed frame | |
| CA595253A | Sofa-bed | |
| CA658552A | Roller for bed frames | |
| CA627200A | Combined sofa bed and end table | |
| CA658754A | Compact sofa bed corner unit |