Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D552852 | Clothes hanger body | Alan Schultz | 2007-10-16 |
| D510814 | Clothes hanger body | Alan Schultz | 2005-10-25 |
| D505795 | Clothes hanger body | Alan Schultz | 2005-06-07 |
| D502007 | Clothes hanger body | Alan Schultz | 2005-02-22 |
| D502008 | Clothes hanger body | Alan Schultz | 2005-02-22 |
| D499559 | Clothes hanger body | Alan Schultz | 2004-12-14 |
| D499561 | Clothes hanger body | Alan Schultz | 2004-12-14 |
| D499257 | Clothes hanger body | Alan Schultz | 2004-12-07 |
| 5542355 | Tie plate track fastener feeder | Harry Madison | 1996-08-06 |
| 4779684 | Method and apparatus for extracting plant stalks and for reshaping beds | — | 1988-10-25 |
| 4637755 | Apparatus for burying conduit | Scott Tollefson, Howard A. Wuertz | 1987-01-20 |
| 4518314 | Decorative fan motor cover and mounting structure therefor | — | 1985-05-21 |
| 4447173 | Apparatus for burying drip irrigation tubing | Mark S. Tollefson, Howard A. Wuertz | 1984-05-08 |