| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 6 | |
| #2 | United Kingdom | 2 | |
| #3 | Canada | 1 | |
| #4 | Switzerland | 1 | |
| #5 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Metal wire processing | |
| #2 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gail Charles H | 4 |
| #2 | Waful Charles C | 3 |
| #3 | Charles Hurlbert Gail | 1 |
| #4 | Gail Charles Hurlbert | 1 |
| #5 | Gail Charles Hubert | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB779376A | Machine for producing bed springs | |
| US2888960A | Bed spring machine | |
| US2856969A | Helical wire end twister | |
| US2798547A | Cutter unit | |
| US2854034A | Spring coil feeding mechanism | |
| GB742039A | Machine for making spring mattresses | |
| US2840118A | Wire crimping and cutting mechanism for bed spring machines | |
| US2663038A | Machine for making bed springs | |
| CA520097A | Machine for making bed spring |