Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9110053 | Dried blood spotting paper device and method | Susan L. Cohen, Wilford C. Downs, William C. Hudson | 2015-08-18 |
| D736403 | Modular dried matrix spotting device | William C. Hudson, Robert Lee Grenz | 2015-08-11 |
| D684276 | Modular dried matrix spotting device | William C. Hudson, Robert Lee Grenz | 2013-06-11 |