Ektelon
Records under this name other than patents Ektelon holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,130,619 | Apparatus and method of making hollow articles Term ended Term ended no later than Dec 19, 1998 · Low confidence | Term ended | Term ended no later than Dec 19, 1998 | Low confidence |
| US 4,290,604 | Racquetball racquet having a metal frame meshable with a throat piece Term ended Term ended no later than Sep 22, 2001 · Low confidence | Term ended | Term ended no later than Sep 22, 2001 | Low confidence |
| US 4,531,738 | Racquetball racquet with increased hitting area Formerly held Term ended Term ended no later than Jul 30, 2005 · Low confidence | Term ended | Term ended no later than Jul 30, 2005 | Low confidence |
| US 4,546,977 | Racquet stringing machine with improved racquet retaining standard Term ended Term ended no later than Oct 15, 2005 · Low confidence | Term ended | Term ended no later than Oct 15, 2005 | Low confidence |
| US 4,561,655 | Tubular steel racquet frame having varying cross-section Term ended Term ended no later than Dec 31, 2005 · Low confidence | Term ended | Term ended no later than Dec 31, 2005 | Low confidence |
| US 4,579,343 | Graphite composite racquet Term ended Term ended no later than Apr 1, 2006 · Low confidence | Term ended | Term ended no later than Apr 1, 2006 | Low confidence |
| US 4,618,148 | Racquetball racquet with increased hitting area Formerly held Term ended Term ended no later than Oct 21, 2006 · Low confidence | Term ended | Term ended no later than Oct 21, 2006 | Low confidence |
| US 4,684,131 | Graphite composite racquet with aramid core Term ended Term ended no later than Aug 4, 2007 · Low confidence | Term ended | Term ended no later than Aug 4, 2007 | Low confidence |
| US 4,874,170 | String clamp for racquet stringing machine Term ended Term ended no later than Oct 17, 2009 · Low confidence | Term ended | Term ended no later than Oct 17, 2009 | Low confidence |
| US 5,470,061 | Racquetball racquet having increased stiffness at tip Formerly held Term ended Term ended no later than Nov 28, 2015 · Low confidence | Term ended | Term ended no later than Nov 28, 2015 | Low confidence |