Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5460718 | Domestic water treating device including permanent magnet means | David Weck, Erwin Frey | 1995-10-24 |
| D339431 | Auger plumbing tool housing | — | 1993-09-14 |
| 5018234 | Drain auger | Samuel Jacks | 1991-05-28 |
| 4785538 | Cutting tool | — | 1988-11-22 |
| 4644603 | Plumber's snake | — | 1987-02-24 |
| 4493918 | Silicate filled polyolefin resin composites | Seymour Newman | 1985-01-15 |
| 4467077 | Mica filled polyolefin resin composites | Seymour Newman | 1984-08-21 |