Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D414865 | Hand held cryosurgical probe apparatus | John G. Baust, John M. Baust, Lawrence Pottorf, Roy Cheeks, Hewu Ma +2 more | 1999-10-05 |
| 5916212 | Hand held cyrosurgical probe system | John G. Baust, John M. Baust, Lawrence Pottorf, Roy Cheeks, Hewu Ma +2 more | 1999-06-29 |
| D406337 | Hand held cryosurgical probe apparatus | John G. Baust, John M. Baust, Lawrence Pottorf, Roy Cheeks, Hewu Ma +2 more | 1999-03-02 |