Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| PP33459 | African violet plant named ‘OP10664’ | Martin Holtkamp | 2021-09-07 |
| 11026377 | Wick watering pot cover system | Lawrence P. Holtkamp | 2021-06-08 |
| 7653603 | Network connected delivery box using access codes and methods for providing same | Jean-Stephan Rovani | 2010-01-26 |
| 6131735 | Packaging arrangement for a plant | — | 2000-10-17 |
| 6006472 | Fragrance emitting plant watering system | — | 1999-12-28 |
| 5860249 | Plant watering container | — | 1999-01-19 |
| 5704162 | Fragrance emitting plant watering system with funnel-shape pot support | — | 1998-01-06 |
| 5673511 | Plant stand with self-watering trays | — | 1997-10-07 |
| 5647170 | Watering wick for potted plant | — | 1997-07-15 |
| 5477640 | Fragrance emitting plant watering system | — | 1995-12-26 |
| 5427240 | Shipping box for plants | — | 1995-06-27 |
| 5282335 | Self-watering dish garden for plants | — | 1994-02-01 |
| D340881 | Plant watering container | — | 1993-11-02 |
| D340882 | Plant watering container | — | 1993-11-02 |
| 5193305 | Wick insertion device for a plant pot | — | 1993-03-16 |
| 5038930 | Flower greeting card | — | 1991-08-13 |
| PP5805 | African violet plant named Improved North Carolina | — | 1986-11-18 |
| PP5725 | African violet plant named Arkansas | — | 1986-04-22 |
| PP5617 | African violet plant named New Mexico | — | 1985-12-31 |
| PP5615 | African violet plant named Miami | — | 1985-12-31 |
| PP5614 | African violet plant named Jo | — | 1985-12-31 |
| PP5616 | African violet plant named Improved Washington | — | 1985-12-31 |
| 4434577 | Capillary disc and support therefor | — | 1984-03-06 |
| 4343109 | Capillary disc and support therefor | — | 1982-08-10 |