The broken lines are only for illustrative purposes to show environmental structure and form no part of the claimed invention. Any surface shading is used solely to show the character or contour of the surfaces represented.
The broken lines are only for illustrative purposes to show environmental structure and form no part of the claimed invention. Any surface shading is used solely to show the character or contour of the surfaces represented.
Number | Name | Date | Kind |
---|---|---|---|
D98652 | Lehmann | Feb 1936 | S |
2564675 | Crook | Aug 1951 | A |
3172113 | Heinard et al. | Mar 1965 | A |
3175220 | Schetne | Mar 1965 | A |
D387772 | Steinberg | Dec 1997 | S |
D506749 | Sullivan et al. | Jun 2005 | S |