Bollinger; Karl
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bollinger; Karl.The latest application filed is for "apparatus for the removal of spoil when making trenches of great depth".
- Bollinger; Karl - Rueil Malmaison FR
- Bollinger; Karl - Rueil FR
| Patent | Date |
|---|---|
| Apparatus for the removal of spoil when making trenches of great depth Grant 4,971,157 - Bollinger , et al. November 20, 1 | 1990-11-20 |
| Excavating bucket having scoops Grant 4,882,859 - Bollinger November 28, 1 | 1989-11-28 |
| Milling machine for cutting trenches Grant 4,883,134 - Bollinger , et al. November 28, 1 | 1989-11-28 |
| Arrangement for underwater drilling of foundations Grant 4,770,255 - Barthelemy , et al. September 13, 1 | 1988-09-13 |
| Submarine drilling device Grant 4,742,876 - Barthelemy , et al. May 10, 1 | 1988-05-10 |
| Apparatus for cleaning drills Grant 4,650,012 - Bollinger , et al. March 17, 1 | 1987-03-17 |
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