The broken line showing of a roller and surface features in
The broken line showing of a roller and surface features in
| Number | Name | Date | Kind |
|---|---|---|---|
| D164362 | Gaddis | Aug 1951 | S |
| 2973613 | Hagedorn | Mar 1961 | A |
| 3190061 | Gilbertson | Jun 1965 | A |
| 3402535 | Nelson | Sep 1968 | A |
| 3537720 | Irgens | Nov 1970 | A |
| 3555793 | Chapman | Jan 1971 | A |
| D239311 | Cognata | Mar 1976 | S |
| 4638622 | Smith | Jan 1987 | A |
| 4899828 | Harris | Feb 1990 | A |
| D329652 | Killian | Sep 1992 | S |
| 5261213 | Humphrey | Nov 1993 | A |
| D354964 | Reichle | Jan 1995 | S |
| 5870888 | Pugh | Feb 1999 | A |
| 6047530 | Bednar | Apr 2000 | A |
| 6523335 | Vanderipe | Feb 2003 | B2 |
| D584747 | Sprinkmann et al. | Jan 2009 | S |