Luttgens; Fritz
Patent Applications and Registrations
Patent applications and USPTO patent grants for Luttgens; Fritz.The latest application filed is for "pencil sharpener having a guide element for discharging shavings".
- Luttgens; Fritz - Erlangen DE
| Patent | Date |
|---|---|
| Pencil Sharpener Having A Guide Element For Discharging Shavings App 20180281505 - Luttgens; Fritz | 2018-10-04 |
| Pencil sharpener and method of producing it Grant 8,769,835 - Luttgens July 8, 2 | 2014-07-08 |
| Compasses writing implement Grant 8,042,278 - Luttgens October 25, 2 | 2011-10-25 |
| Compasses Writing Implement App 20100139104 - Luttgens; Fritz | 2010-06-10 |
| Sharpener Blade App 20080178476 - Luttgens; Fritz | 2008-07-31 |
| Pencil sharpener Grant 7,363,714 - Luttgens April 29, 2 | 2008-04-29 |
| Office or cosmetics article App 20070172679 - Luttgens; Fritz | 2007-07-26 |
| Pencil sharpener and method of producing it App 20070137051 - Luttgens; Fritz | 2007-06-21 |
| Pencil sharpener Grant 7,225,547 - Luttgens June 5, 2 | 2007-06-05 |
| Pencil sharpener App 20070044327 - Luttgens; Fritz | 2007-03-01 |
| Pencil sharpener App 20060242846 - Luttgens; Fritz | 2006-11-02 |
| Sharpener for an oval pencil Grant 7,036,231 - Luttgens May 2, 2 | 2006-05-02 |
| Sharpener with integrated pencil cap App 20060080846 - Luttgens; Fritz | 2006-04-20 |
| Sharpener for soft-core pencils Grant 6,976,314 - Luttgens December 20, 2 | 2005-12-20 |
| Sharpener for an oval pencil App 20050257386 - Luttgens, Fritz | 2005-11-24 |
| Pencil sharpener App 20050257387 - Luttgens, Fritz | 2005-11-24 |
| Self-cleaning pencil Grant 6,722,803 - Luttgens April 20, 2 | 2004-04-20 |
| Self-cleaning Pencil App 20040042837 - Luttgens, Fritz | 2004-03-04 |
| Sharpener for soft-core pencils App 20040010927 - Luttgens, Fritz | 2004-01-22 |
| Sharpener for sharpening a soft-core pencil Grant 6,634,108 - Luttgens October 21, 2 | 2003-10-21 |
| Sharpener for sharpening a soft-core pencil App 20030014870 - Luttgens, Fritz | 2003-01-23 |
| Holding device for a sharpener App 20010052188 - Luttgens, Fritz | 2001-12-20 |
| Sharpener, in particular for soft-core pencils Grant 6,286,218 - Luttgens September 11, 2 | 2001-09-11 |
| Hand-held sharpener as a container-type sharpener App 20010016989 - Luttgens, Fritz | 2001-08-30 |
| Sharpener Grant 6,279,237 - Luttgens August 28, 2 | 2001-08-28 |
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