Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6793953 | Food product and method of preparation | Philip K. Zietlow, Bernhard H. van Lengerich, Mathew F. Langenfeld, Terry G. Reishus, James L. Stinson +1 more | 2004-09-21 |
| 6432460 | Food product and method of preparation | Philip K. Zietlow, Bernhard H. van Lengerich, Mathew F. Langenfeld, Terry J. Reishus, James L. Stinson +1 more | 2002-08-13 |
| 6387432 | Dried marshmallow methods of preparation for increasing bowl life | Philip K. Zietlow, Michael A. Helser | 2002-05-14 |
| 6180158 | Process for aerated confection | Philip K. Zietlow, Bernhard H. van Lengerich, James L. Stinson, Mathew F. Langenfeld | 2001-01-30 |
| 5457977 | Method and apparatus for reforming a tube | — | 1995-10-17 |
| RE31819 | Chip separating from a fried ribbon | Verne E. Weiss, Glenn Campbell | 1985-01-29 |
| 4371832 | DC Ground fault detector wherein fault is sensed by noting imbalance of magnetic flux in a magnetic core | David M. Otten | 1983-02-01 |
| 4229694 | Power angle relay to measure and respond to the power angle of a synchronous generator | David M. Otten | 1980-10-21 |