de Gier; Gertrudis M. G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for de Gier; Gertrudis M. G..The latest application filed is for "connecting piece".
- de Gier; Gertrudis M. G. - Velddriel NL
- De Gier; Gertrudis M. G. - JZ Velddriel NL
| Patent | Date |
|---|---|
| Connecting piece Grant 6,302,611 - de Gier , et al. October 16, 2 | 2001-10-16 |
| Device for crushing and/or cutting material Grant 5,533,682 - de Gier , et al. July 9, 1 | 1996-07-09 |
| Device for breaking objects consisting of concrete or similar material Grant 5,062,227 - De Gier , et al. November 5, 1 | 1991-11-05 |
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