| 6640914 |
Percussion borer for forming bores in stone material |
Marcel John, Bernhard Sander, Hanspeter Schad, Cord-Henrik Surberg, Charles C. Coffin +2 more |
2003-11-04 |
| 6543977 |
Concrete anchor bolt |
Bernhard Sander, Joachim Gunther, Marcel John, Michael Siemers, Pietro Bianchi |
2003-04-08 |
| 6062784 |
Spreading anchor |
Markus Hartmann, Kai-Uwe Keller, Matthias Blessing |
2000-05-16 |
| 6012358 |
Setting tool for self-cutting undercut anchors |
Reinhard Lins, Helmut Gassner, Susanne Kossian, Rainer Kussmaul, Hermann Beck +1 more |
2000-01-11 |
| 6010288 |
Drive-in dowel |
Markus Hartmann, Kai-Uwe Keller, Michael Werner, Gin-Won Kang |
2000-01-04 |
| 5988964 |
Drive-in dowel |
Reinhard Lins, Helmut Gassner, Susanne Kossian, Michael Werner |
1999-11-23 |
| 5816760 |
Under cutting anchor |
Richard Mattner, Manfred Hartmann, Helmut Gassner, Susanne Kossian, Jakob Kunz +2 more |
1998-10-06 |
| 5807049 |
Spreading anchor with undercut-forming cutting means |
Hermann Beck, Helmut Gassner, Markus Hartmann, Susanne Kossian, Rainer Kussmaul +2 more |
1998-09-15 |
| 5772372 |
Spreading anchor |
Reinhard Lins, Helmut Gassner, Susanne Kossian, Rainer Kussmaul, Hermann Beck +1 more |
1998-06-30 |