Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7188800 | Collapsible winding core and method of making same | Emile Henricus Lutgens, Ed Spronk, Johannes van de Camp, John Whitehead | 2007-03-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7188800 | Collapsible winding core and method of making same | Emile Henricus Lutgens, Ed Spronk, Johannes van de Camp, John Whitehead | 2007-03-13 |