Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11691867 | Multi-length tuft feeder | — | 2023-07-04 |
| 8371147 | Apparatus and method for the manufacture of a spring unit | Howard Martin Dixon | 2013-02-12 |
| 8091398 | Apparatus and method for the manufacture of a spring unit | Howard Martin Dixon | 2012-01-10 |
| 7191716 | Automatic tufting method and apparatus therefor | Howard Martin Dixon | 2007-03-20 |
| 6923237 | Mechanism for bottom up shades | Brian G. Workman | 2005-08-02 |
| 5943971 | Mattress production including moveable mattress support sewing table | David Trickett | 1999-08-31 |
| RE35453 | Spring unit assembly | — | 1997-02-18 |
| 5497600 | Method of encapsulating spring units | — | 1996-03-12 |
| 5341646 | Triple column distillation system for oxygen and pressurized nitrogen production | Rakesh Agrawal, Jeffrey S. Langston, Jianguo Xu | 1994-08-30 |
| 5303530 | Spring unit assembly | — | 1994-04-19 |