Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8721490 | Planetary drive system | — | 2014-05-13 |
| 6565140 | Sun visor with tinted insert | — | 2003-05-20 |
| 5835211 | Single-particle optical sensor with improved sensitivity and dynamic size range | David F. Nicoli | 1998-11-10 |
| D364742 | Combination tomahawk and broom handle | — | 1995-12-05 |
| 5435655 | Bearing assembly with slotted closure cup | — | 1995-07-25 |
| 5410403 | Particle measuring system with pump adapted to maintain constant flow for different pressures and viscosities | — | 1995-04-25 |
| 5344241 | Bearing assembly with internal seal | — | 1994-09-06 |
| 5332512 | Isokinetic diluter for particle measuring instrument | — | 1994-07-26 |
| 5298967 | Measurement of concentrations of dissolved solvent | — | 1994-03-29 |
| 4919229 | Stable working platform | — | 1990-04-24 |
| D285648 | Combined gutter support and jointing bracket | Robert Parker | 1986-09-16 |