Head support assembly
US patent number: 06301716
| Inventor(s): |
Ross, Robert C.
|
| Application |
No. 09/625,133 filed on 07/25/2000
|
| Current US Class |
2/171,
2/171.8,
2/DIG.11,
297/393
|
| Field of search |
297/39,
297/393,
297/397,
297/398,
297/399,
297/400,
297/464,
297/485,
297/468,
297/481,
297/466,
297/486,
297/406,
297/217,
128/846,
128/857,
2/171,
2/171.8,
2/DIG.11
|
| International Classes: |
A61F 5/37 (20060101),
A41D 020/00 ()
|
| Examiners |
|
| Primary |
Gloria M. Hale |
| Attorney, agent or firm: |
Howard & Howard
|
| US patent references |
2726714,
4339151,
4607885,
4707031,
5081714
|