Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7913543 | Method of using a device for measuring the back pressure in chemical reactor tubes | Clifford L. Johns | 2011-03-29 |
| 7878225 | Vacuum attachment and method | Clifford L. Johns, August M. Dattilo, III, Munaf Chasmawala, Manfred Schmidt | 2011-02-01 |
| 7861875 | Seal for tube | Clifford L. Johns, August M. Dattilo, III, Munaf Chasmawala, Manfred Schmidt | 2011-01-04 |