Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7766595 | Device and procedure for twisting a coil into perforations of flat components | Gunnar Vieth | 2010-08-03 |
| 7494084 | Device and method to produce helical coils from a filament | Gunnar Vieth | 2009-02-24 |
| 6994338 | Method of and apparatus for pivotably coupling stacked sheet-like commodities with each other | — | 2006-02-07 |
| 4501304 | Apparatus for looping the outermost convolutions of spiral binders for note books or the like | — | 1985-02-26 |
| 4327780 | Apparatus for looping the outermost convolutions of spiral binders | — | 1982-05-04 |