| 2026-08-07 | Bit of threaded hardware |
| 2024-12-04 | Woodworking fastener |
| 2024-11-12 | Threaded fastener |
| 2024-09-22 | Fastener that's one letter ahead of "U-bolt" in the dictionary |
| 2023-03-28 | Letter-shaped fastener |
| 2022-03-31 | Bit of letter-shaped hardware |
| 2021-05-23 | Fastener that leaves a flush surface |
| 2020-12-27 | Certain bolt holder |
| 2020-06-24 | Threaded fastener |
| 2020-04-19 | Letter-shaped fastener |
| 2020-03-29 | Bit of letter-shaped hardware |
| 2020-01-10 | Hardware fastener |
| 2019-09-15 | Flanged fastener |
| 2019-06-30 | Letter-shaped fastener |
| 2018-11-25 | Fastener with a flange |
| 2018-11-14 | Letter-shaped fastener |
| 2018-11-06 | Fastener named for its shape |
| 2018-08-26 | Metal fastener |
| 2018-08-12 | Letter-shaped fastener |
| 2018-07-19 | Flush fastener |
| 2018-07-13 | Hardware bit |
| 2018-05-02 | Fastener with a flange |
| 2017-04-23 | Letter-shaped fastener |
| 2016-11-28 | Letter-shaped metal fastener |
| 2016-09-11 | Fastener designed to leave a flush surface |
| 2016-07-06 | Letter-shaped fastener |
| 2016-04-06 | Letter-shaped fastener |
| 2016-02-05 | Hardware bit |
| 2015-09-13 | Carpentry fastener |
| 2015-07-01 | Flanged fastener |
| 2015-06-01 | Letter-shaped fastener |
| 2014-01-06 | Letter-shaped bolt fastener |
| 2013-10-14 | Letter-shaped fastener |
| 2013-06-30 | Carpentry fastener |
| 2013-04-29 | Letter-shaped fastener |
| 2012-08-28 | Letter-shaped fastener |
| 2011-10-13 | Flanged fastener |
| 2011-05-12 | Hardware bit |
| 2010-11-20 | Wide-headed fastener |
| 2009-12-27 | Carpentry fastener |
| 2009-04-07 | Letter-shaped fastener |
| 2008-10-12 | Hardware fastener |
| 2008-09-12 | Letter-shaped fastener |
| 2008-05-11 | Construction bit |
| 2008-03-16 | Wide-headed fastener |
| 2007-07-14 | Threaded holder |
| 2006-12-29 | Bit of hardware |
| 2006-12-11 | Carpenter's metal piece |
| 2006-10-04 | Letter-shaped hardware item |
| 2006-09-17 | Bolt holder |
| 2006-09-10 | Letter-shaped fastener |
| 2004-10-04 | Threaded fastener |
| 2004-03-14 | Letter-shaped fastener |
| 2004-03-07 | Threaded holder |
| 2003-03-22 | Hardware item |
| 2003-02-28 | Threaded fastener |
| 2002-11-26 | Bolt holder |
| 2000-06-11 | Threaded metal fastener |
| 1999-01-25 | Threaded metal fastener |
| 1997-10-19 | Construction piece |
| 1997-04-15 | Carpenter's fastener |
| 1996-10-16 | Item in a carpenter's kit |
| 1996-06-02 | Hardware item |
| 1995-12-20 | Hardware item |