| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 3 | |
| #2 | Australia | 2 | |
| #3 | Canada | 2 | |
| #4 | United Kingdom | 2 | |
| #5 | South Africa | 2 | |
| #6 | China | 1 | |
| #7 | Germany | 1 | |
| #8 | EPO (European Patent Office) | 1 | |
| #9 | Spain | 1 | |
| #10 | France | 1 | |
| #11 | Israel | 1 | |
| #12 | Republic of Korea | 1 | |
| #13 | New Zealand | 1 | |
| #14 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Furniture and games | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Chairs and beds | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ward James T | 8 |
| #2 | Gershaw Gerald | 4 |
| #3 | Gershaw G | 3 |
| #4 | Kerr E | 1 |
| #5 | Kerr Edward O | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5214810A | Mattress handle construction | |
| GB8505351D0 | Mattress construction | |
| NZ183571A | Inner spring mattress construction | |
| IL50694D0 | Mattress construction | |
| US3995337A | Mattress construction | |
| CA935575A | Handle structure for bed springs and the like | |
| GB1243960A | Improvements in or relating to mattresses | |
| US3590405A | Handle structure for bed springs and the like |