Tompkins; Dale A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tompkins; Dale A..The latest application filed is for "coextrusion apparatus and method using an elastic die for varying the outer profile of a tubular extrudate".
- Tompkins; Dale A. - Akron OH
| Patent | Date |
|---|---|
| Coextrusion apparatus and method using an elastic die for varying the outer profile of a tubular extrudate Grant 5,108,682 - Tompkins , et al. April 28, 1 | 1992-04-28 |
| Coextrusion apparatus and method using a rigid die for varying the outer profile of a tubular extrudate Grant 5,069,850 - Tompkins , et al. December 3, 1 | 1991-12-03 |
| Coextrusion apparatus for varying the inner and/or outer profile of a tubular extrudate Grant 5,062,782 - Tompkins , et al. November 5, 1 | 1991-11-05 |
| Coextrusion apparatus Grant 4,578,024 - Sicka , et al. March 25, 1 | 1986-03-25 |
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