| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Handling thin material | |
| #2 | Unspecified technologies | |
| #3 | Producing goods from plastic |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hubbard Eber J | 15 |
| Publication | Filing date | Title |
|---|---|---|
| US2254221A | Spooling machine | |
| US2254220A | Spooling machine | |
| US1852243A | Reel | |
| US1753342A | Reel | |
| US1733598A | Spool | |
| US1609473A | Spool | |
| US1525648A | Bobbin | |
| US1472980A | Spool | |
| US1365406A | Spool | |
| US1388952A | Bobbin | |
| US1388951A | Bobbin | |
| US1293443A | Spool. | |
| US1225959A | Sheet-metal spool. | |
| US1155357A | Method of forming sheet-metal spools. | |
| US1143541A | Sheet-metal spool. |