Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D568189 | Two-pan balance | Richard McAllister O'Grady, Zbigniew Pobocha, Thomas Rapa, Michael Nuzzi | 2008-05-06 |
| D568190 | Triple-beam balance | Richard McAllister O'Grady, Zbigniew Pobocha | 2008-05-06 |
| D443840 | School balance | — | 2001-06-19 |