Estran Corporation
Patent Applications and Registrations
Patent applications and USPTO patent grants for Estran Corporation.The latest application filed is for "foldable seat hinge".
- Estran Corporation - Two Rivers WI
| Patent | Date |
|---|---|
| Foldable seat hinge Grant 6,353,970 - Spaeth March 12, 2 | 2002-03-12 |
| Foldable seat hinge Grant 5,956,810 - Spaeth September 28, 1 | 1999-09-28 |
| Cushion Grant D404,954 - Spaeth February 2, 1 | 1999-02-02 |
| Seat hinge Grant 5,052,076 - Spaeth October 1, 1 | 1991-10-01 |
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