Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D724406 | Combination socket-wrench handle and hammer | Alexander Daus, Frank Kollmar, Markus Kuehner | 2015-03-17 |
| D637051 | Socket | Yi-Min Li | 2011-05-03 |
| D632148 | Socket | Yi-Min Li | 2011-02-08 |
| D632149 | Socket | Yi-Min Li | 2011-02-08 |
| 6749790 | Handle for a hand tool and method for the manufacture thereof | Karl Lieser | 2004-06-15 |
| 6640911 | Device for connecting a tool to a drive | Karl Lieser, Frank Kollmar | 2003-11-04 |
| 6629338 | Handle for a tool | Karl Lieser | 2003-10-07 |
| D445658 | Handle for a hand tool, especially for a screw driver | — | 2001-07-31 |