Ruckwardt; Hans-Werner
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ruckwardt; Hans-Werner.The latest application filed is for "retaining element".
- Ruckwardt; Hans-Werner - Gollheim/Pfalz DE
- Ruckwardt; Hans-Werner - Eisenberg DE
| Patent | Date |
|---|---|
| Retaining element Grant 5,577,695 - Ruckwardt November 26, 1 | 1996-11-26 |
| Two-piece holding assembly made of plastic Grant 5,464,179 - Ruckwardt November 7, 1 | 1995-11-07 |
| Single-piece retaining element Grant 5,458,303 - Ruckwardt October 17, 1 | 1995-10-17 |
| Clamping-type coupling Grant 5,447,337 - Ruckwardt September 5, 1 | 1995-09-05 |
| Plastic holding element Grant 5,316,245 - Ruckwardt May 31, 1 | 1994-05-31 |
| Reverse flow blocking device for vehicle ventilation system Grant 5,263,895 - Kraus , et al. November 23, 1 | 1993-11-23 |
| Holding element made of plastic Grant 5,170,984 - Ruckwardt December 15, 1 | 1992-12-15 |
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