Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174049 | Method of upholstering truss | John J. Brunnert, Daniel Meyer, Randall A. Wood | 2021-11-16 |
| 10793302 | Apparatus for upholstering truss and method of using same | John J. Brunnert, Daniel Meyer, Randall A. Wood | 2020-10-06 |
| 10399847 | Apparatus for ventilating fabric used to make pocketed springs | John J. Brunnert, Richard A. Krtek, Darrell A. Richmond | 2019-09-03 |
| 10034551 | Foldable bedding foundation having L-shaped spacers | — | 2018-07-31 |
| 9814322 | Foldable bedding foundation having L-shaped spacers | David W. Redick | 2017-11-14 |
| 9764939 | Method of making strings of pocketed springs | John J. Brunnert, Richard A. Krtek, Darrell A. Richmond | 2017-09-19 |
| 9226590 | Foldable bedding foundation having L-shaped spacers | David W. Redick | 2016-01-05 |
| 9072388 | Bedding foundation having nestably stackable spring assembly having reduced sway | Von W. Brottlund, Darrell A. Richmond | 2015-07-07 |
| 9044102 | Spring core having border wire with generally rectangular cross-section | David S. Haffner, Steven M. Montague, Darrell A. Richmond, Thomas W. Wells | 2015-06-02 |
| 8769748 | Spring core having border wire with generally rectangular cross-section | David S. Haffner, Steven M. Mongatue, Darrell A. Richmond, Thomas W. Wells | 2014-07-08 |
| 8490232 | Spring core having border wire with generally rectangular cross-section | David S. Haffner, Steven M. Montague, Darrell A. Richmond, Thomas W. Wells | 2013-07-23 |
| 8332974 | Bedding foundation having border wire with generally rectangular cross-section | David S. Haffner, Steven M. Montague, Darrell A. Richmond, Thomas W. Wells | 2012-12-18 |
| 8327475 | Bedding foundation having nestably stackable spring assembly welded to border wire with generally rectangular cross-section | David S. Haffner, Steven M. Montague, Darrell A. Richmond, Thomas W. Wells | 2012-12-11 |
| 4340920 | Mine vehicle safety apparatus | Ronald P. Gill, Dempsey G. Tucker | 1982-07-20 |