| 9032801 |
Ultrasonic measurement apparatus and method |
Roman Koch, Heiko Martin Franz Sackenreuther |
2015-05-19 |
| 8596127 |
Method for the non-destructive testing of objects using ultrasound |
Stephan Falter, Roman Koch, Walter De Odorico, Klaus-Peter Busch |
2013-12-03 |
| 7579039 |
Coating an interdental cleaning region of an interdental cleaning device |
Thorsten Emge, Manfred Klawuhn |
2009-08-25 |
| 7181970 |
Method and device for testing a component having a complex surface contour by means of ultrasound |
Wolfgang Haase, Roman Koch |
2007-02-27 |
| 7146675 |
Handheld toothbrush |
Petra Ansari, Conrad Berghammer, Andrea Birk, Manfred Klawuhn, Joachim Klimeck +1 more |
2006-12-12 |
| D507114 |
Tufting for a toothbrush head |
Cornelia Seifert, Björn Kling, Duy Phong Vu, Petra Ansari, Conrad Berghammer +4 more |
2005-07-12 |
| D502603 |
Manual toothbrush |
Cornelia Seifert, Björn Kling, Duy Phong Vu, Petra Ansari, Conrad Berghammer +4 more |
2005-03-08 |
