Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7523515 | Hospital bed and mattress having a retractable foot section | E. David Allen, Kenneth L. Kramer, Peter M. Wukusick, Eric R. Meyer, Gregory W. Branson +3 more | 2009-04-28 |
| 7216384 | Hospital bed and mattress having a retractable foot section | E. David Allen, Kenneth L. Kramer, Peter M. Wukusick, Eric R. Meyer, Gregory W. Branson +3 more | 2007-05-15 |
| 7000272 | Hospital bed and mattress having a retractable foot section | E. David Allen, Kenneth L. Kramer, Peter M. Wukusick, Eric R. Meyer, Gregory W. Branson +3 more | 2006-02-21 |
| 6684427 | Hospital bed and matress having a retractable foot section | E. David Allen, Kenneth L. Kramer, Peter M. Wukusick, Eric R. Meyer, Gregory W. Branson +3 more | 2004-02-03 |
| 6496993 | Hospital bed and mattress having a retracting foot section | E. David Allen, Kenneth L. Kramer, Peter M. Wukusick, Eric R. Meyer, Gregory W. Branson +3 more | 2002-12-24 |
| 6212714 | Hospital bed and mattress having a retracting foot section | E. David Allen, Kenneth L. Kramer, Peter M. Wukusick, Eric R. Meyer, Gregory W. Branson +3 more | 2001-04-10 |