Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9003632 | Thimble mechanism for retention of a shackle in a wire loop termination | Roger E. Beall, Charles R. Garrett, Larry Postelwait | 2015-04-14 |
| 8381363 | Securing mechanism for shackle | Roger E. Beall, Chris Whitehead | 2013-02-26 |
| D671921 | Flexible RFID housing | Roger E. Beall, Larry Postelwait | 2012-12-04 |
| 7293763 | Retaining keeper assembly for a hoisting device | Ernest E. Lutter, Alan C. Doughty | 2007-11-13 |
| 7255330 | Field adjustable bridge crane block | Ernest E. Lutter, Alan C. Doughty | 2007-08-14 |
| 7000905 | Retaining keeper assembly for a hoisting device | Ernest E. Lutter, Alan C. Doughty | 2006-02-21 |
| 4519578 | High pressure cam seal valve | Dennis L. Young | 1985-05-28 |
| 4482128 | High pressure cam seal valve | Dennis L. Young | 1984-11-13 |