Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9433143 | Drop spreader for powdered materials | David W. Sammons | 2016-09-06 |
| 8800752 | Portable continuous feed delivery system and method of use | David W. Sammons | 2014-08-12 |
| 4695275 | Middle ear ventilation tube | Richard Goode | 1987-09-22 |