| Number | Name | Date | Kind |
|---|---|---|---|
| 48854 | Ustick | Jul 1865 | |
| 1873932 | Hunter | Aug 1932 | |
| 2529780 | Miller | Nov 1950 | |
| 2987362 | Bernath | Jun 1961 | |
| 3104138 | Renaud | Sep 1963 | |
| 3236485 | Staples | Feb 1966 | |
| 3666339 | Neufeld | May 1972 | |
| 3712698 | Propst et al. | Jan 1973 | |
| 3751127 | Black, Jr. et al. | Aug 1973 | |
| 3770334 | Weber | Nov 1973 | |
| 3814778 | Hosoda et al. | Jun 1974 | |
| 3856372 | Carlson et al. | Dec 1974 | |
| 3883202 | Konig | May 1975 | |
| 3911190 | Myers et al. | Oct 1975 | |
| 3955788 | Delage | May 1976 | |
| 3964401 | Gutmann, Jr. et al. | Jun 1976 | |
| 4049331 | Gutmann, Jr. | Sep 1977 | |
| 4050752 | Dykstra | Sep 1977 | |
| 4101183 | McManus | Jul 1978 | |
| 4224769 | Ball et al. | Sep 1980 | |
| 4287837 | Bayles | Sep 1981 |
| Number | Date | Country |
|---|---|---|
| 675737 | Feb 1962 | ITX |
| 347318 | Aug 1960 | CHX |
| Entry |
|---|
| Product Analysis Race System, by J. Roger Guilfoyle, Sep. 1978, p. 122. |
| A Refined Way to Develope Workstations from a Power Handling Beam, by Richard Planck, Jan. 1980, p. 111. |
| Taking the Shock Out of Futures, No Listed Author, Jun. 1982, p. 17. |
| Race, Published by Sunar, Design Douglas Ball, Publication Data Unknown, p. RS2578. |