Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6334767 | Machine for manufacturing thermoplastic tubes | Ronald E. Kieras | 2002-01-01 |
| 6221189 | Method for manufacturing thermoplastic tubes | Ronald E. Kieras | 2001-04-24 |
| 6165395 | Process control method for a machine for manufacturing thermoplastic tubes | Ronald E. Kieras, Thomas A. Frazier | 2000-12-26 |
| 6136247 | Method of forming a headed thermoplastic tube | — | 2000-10-24 |
| 6129880 | Method of forming a headed thermoplastic tube with a reusable closure in a single step | Ronald E. Kieras | 2000-10-10 |
| 6047525 | Plant for manufacturing and packing thermoplastic tubes | Ronald E. Kieras | 2000-04-11 |
| 5322658 | Method of making thermoplastic composite layered squeeze tube | George H. Holoubek | 1994-06-21 |
| 5238148 | Thermoplastic composite layered squeeze tube and method of making same | George H. Holoubek | 1993-08-24 |
| 5203379 | Headed thermoplastic tube | George H. Holoubek | 1993-04-20 |
| 5069856 | Method of forming a headed thermoplastic tube | George H. Holoubek | 1991-12-03 |
| 4898708 | Method for shaping closed bottom of tubular container | George H. Holoubek, George P. Whitaker | 1990-02-06 |
| 4844250 | Tamper-evident container assembly | George H. Holoubek | 1989-07-04 |