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Charles Kettering
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| Number | Title | Issue Date |
| D621606 | Transformable lanyard | 08/17/2010 |
| 7437777 | Modified head covering The modified head covering has a cap portion that resembles typical head caps, as well as a pouch portion attached to the rear of the cap. This head covering allows a user having long hair to safely conceal his or her hair within the pouch portion at the rear of the... | 10/21/2008 |
| D572879 | Head covering | 07/15/2008 |
| D547030 | Head covering design | 07/24/2007 |