Trotman; Helen H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Trotman; Helen H..The latest application filed is for "seat cushion".
- Trotman; Helen H. - Virginia Beach VA
| Patent | Date |
|---|---|
| Seat cushion Grant D274,108 - Trotman , et al. June 5, 1 | 1984-06-05 |
| Underbody cushioning and ventilating structure and general utility formed plastic sheet Grant 4,435,015 - Trotman , et al. March 6, 1 | 1984-03-06 |
| Seat cushion cover Grant D264,401 - Trotman , et al. May 18, 1 | 1982-05-18 |
| Body supporting and spacing structure Grant 4,328,993 - Trotman , et al. * May 11, 1 | 1982-05-11 |
| Covered body supporting and spacing structure and removable cover therefor Grant 4,313,640 - Trotman , et al. February 2, 1 | 1982-02-02 |
| Seat cushion Grant D262,590 - Trotman , et al. January 12, 1 | 1982-01-12 |
| Body supporting and spacing structure Grant 4,205,880 - Trotman , et al. June 3, 1 | 1980-06-03 |
| Under-body ventilating seat cushion Grant 4,143,916 - Trotman , et al. March 13, 1 | 1979-03-13 |
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