| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 8 | |
| #2 | United States | 3 | |
| #3 | Switzerland | 2 | |
| #4 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Metal wire processing | |
| #2 | Chairs and beds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kamp Ewald A | 6 |
| #2 | Fasanella George S | 3 |
| #3 | Wetzler Justin J | 2 |
| #4 | Fleming Earl N | 1 |
| #5 | Ewald Albert Kamp | 1 |
| #6 | Ewald A Kamp | 1 |
| #7 | Albert Kamp Ewald | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3262135A | Bedding structure | |
| US3148385A | Swing bed | |
| US3205915A | Apparatus for producing spring cores | |
| CA697303A | Corner bed structure | |
| CA697235A | Mattress structure | |
| CA795687A | Bedding structure | |
| CA708791A | Vibrating spring structure | |
| CA722006A | Frame structure for furniture and the like | |
| CA809870A | Method and apparatus for producing spring cores | |
| CA709755A | Adjustable box spring | |
| CA699855A | Mattress structure and apparatus for and method of making same |