Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9573605 | Continuous assist zipline braking and control system | Charles Z. Steele, David E. Udow | 2017-02-21 |
| 8708109 | Continuous assist zipline braking and control system | Charles Z. Steele, David E. Udow | 2014-04-29 |
| 7381137 | Zipline braking and motion-arrest system | Charles Z. Steele, David E. Udow | 2008-06-03 |
| 4615891 | Method of formulating dairy cow rations based on carbohydrate regulation | James Nocek, Darwin G. Braund, Charles A. Macgregor | 1986-10-07 |
| 4346077 | Method for reducing incidence of periparturient disorders in cows | Darwin G. Braund, Thomas J. Fronk, Richard L. Goings, John W. Peters | 1982-08-24 |