Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6267999 | Pastry dough or cake decorating device | Arthur H. Romer | 2001-07-31 |
| 5233716 | Multipurpose rigging tool | — | 1993-08-10 |
| 5013219 | Positive displacement piston pump | Charles M. Pleass | 1991-05-07 |
| 4512886 | Wave-powered desalination of water | Charles M. Pleass | 1985-04-23 |
| 4421461 | Wave-powered desalination of seawater | Charles M. Pleass | 1983-12-20 |
| 4326840 | Wave driven pump | Charles M. Pleass | 1982-04-27 |