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American & Efird, Inc.
| American & Efird, Inc. Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090308047 | Sewing thread - An improved sewing thread and method of making it where at least one strand of spun yarn is composed of 100% staple fibers and has a high level of single twist that is equal to or greater than 4 more turns per inch than that of the ply twisted final product. | 12-17-2009 |