Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7217169 | Dimensionally stable flying disc toy construction | — | 2007-05-15 |
| D503317 | Hand held scoop | — | 2005-03-29 |
| 6761282 | Sealable container with carrying handle | — | 2004-07-13 |
| 5871114 | Method for recycling household waste | Brett Anderson, Harold T. Hjermstad, II | 1999-02-16 |
| 5783223 | Plastic injection molding machine with continuous removal of particulate contaminants | — | 1998-07-21 |
| 5564855 | Height adjustment ring for manhole cover frame | — | 1996-10-15 |
| 5558254 | Container for storing and transporting recyclable and non-recyclable waste | Harold T. Hjermstad, II | 1996-09-24 |
| 5390813 | Plastic container for recycling household waste | Brett Anderson, Harold T. Hjermstad, II | 1995-02-21 |
| 5282316 | Hand held razor-containing cutting device | — | 1994-02-01 |
| 4880126 | Nesting preventer for bottle bases | — | 1989-11-14 |
| 4483098 | Plant stake and clasp | — | 1984-11-20 |
| 4446652 | Unitary flower pot | — | 1984-05-08 |
| 4442629 | Easily assembled combination flower pot and tray | — | 1984-04-17 |