Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876901 | Asbestos sample filter clearing system | — | 1989-10-31 |
| 4688610 | Apparatus for dispensing particulate agglomerating solids | — | 1987-08-25 |
| 4630755 | Apparatus for precisely dispensing free flowing solids | — | 1986-12-23 |
| 4540108 | Needlepointing tool | — | 1985-09-10 |
| 4469146 | Apparatus and process for preparing quantitative chemical solutions | James E. Gilchrist | 1984-09-04 |
| 4447140 | Microscope slides | James E. Gilchrist | 1984-05-08 |
| 4345628 | Gravimetric diluter | James E. Gilchrist | 1982-08-24 |