| Number | Name | Date | Kind |
|---|---|---|---|
| 956534 | Lahey | May 1910 | |
| 1382446 | Warren | Jun 1921 | |
| 1434775 | Fenno | Nov 1922 | |
| 1453671 | Harrold | May 1923 | |
| 1519142 | Lakin | Dec 1924 | |
| 2099295 | Canfield | Nov 1937 | |
| 2641074 | Richmond | Jun 1953 | |
| 2876022 | Kroviak | Mar 1959 | |
| 3065668 | Leybourn et al. | Nov 1962 | |
| 3214852 | Ford et al. | Nov 1965 | |
| 3215453 | Malcom, Jr. | Nov 1965 | |
| 3330057 | Rodgers | Jul 1967 | |
| 3407757 | Warner | Oct 1968 | |
| 3586220 | Reinsberg | Jun 1971 | |
| 3714308 | Nettesheim | Jan 1973 | |
| 3829995 | Fakoury | Aug 1974 | |
| 3921319 | Styers et al. | Nov 1975 | |
| 3942693 | Tocci | Mar 1976 | |
| 3999317 | Owens | Dec 1976 | |
| 4131195 | Worrell, Sr. | Dec 1978 | |
| 4239136 | Godwin | Dec 1980 | |
| 4301919 | Morgan | Nov 1981 |
| Entry |
|---|
| IBM Technical Disclosure Bulletin; Wrist Worn Terminal; Ludeman et al.; Apr. 1973. |