| Number | Name | Date | Kind |
|---|---|---|---|
| D224473 | Humlong | Jul 1972 | |
| 2505648 | Pawsat | Apr 1950 | |
| 4501435 | McMurtrey | Feb 1985 |
| Entry |
|---|
| American Bicyclist and Motorcyclist, Jul. 85, Call No. TL1A42, p. 27, Longneck Bicycle Stem. |
| Bike Nashbar Catalog, No. 24, Winter 82, p. 24, Swan Bicycle Stem, top of page. |