Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7632457 | Oral feeding bottle | John Richard Calvert, Michael A. Hobbs | 2009-12-15 |
| 7077835 | Reconstituting device for injectable medication | Grenville Arthur Robinson, Michael A. Hobbs, John Richard Calvert | 2006-07-18 |
| 6739465 | Oral feeding bottle | John Richard Calvert, Michael A. Hobbs | 2004-05-25 |
| 6645171 | Reconstituting device for injectable medication | Grenville Arthur Robinson, Michael A. Hobbs, John Richard Calvert | 2003-11-11 |
| D334215 | Rotatable display stand | — | 1993-03-23 |
| 4905861 | Lidded containers | Charles W. Boxall, John Richard Calvert, Brian Edwards, Christopher H. Sworn | 1990-03-06 |
| 4765039 | Mat holder | John Calvert | 1988-08-23 |