Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277557 | Hand-held and hand-operated vacuum pump | — | 1994-01-11 |
| 5224947 | Soft, readily expandable vacuum bell assembly | Lawrence M. Smith, Emily Smith | 1993-07-06 |
| D321927 | Hand held vacuum pump for use in delivery rooms | Lawrence M. Smith | 1991-11-26 |
| D320855 | Birthing-assistance vacuum bell | Lawrence M. Smith | 1991-10-15 |