Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8403125 | Hanging chute | Dale R. Brenholt, Gabriel G. Feuerheim | 2013-03-26 |
| 7784596 | Hanging chute | Dale R. Brenholt, Gabriel G. Feuerheim | 2010-08-31 |
| 7513352 | Hanging chute | Dale R. Brenholt, Gabriel G. Feuerhelm | 2009-04-07 |
| 7273151 | Sieve bed for a sifting machine | David H. Ditlefsen, Roland E. Küper | 2007-09-25 |
| 6634505 | Sieve bed for a sifting machine | David H. Ditlefsen, Roland E. Küper | 2003-10-21 |
| D445437 | Screen panel | David H. Ditlefsen, Roland E. Küper | 2001-07-24 |
| 5284007 | Lawn mower mounted leaf mulcher | William R. Poe | 1994-02-08 |