Number | Name | Date | Kind |
---|---|---|---|
1645247 | Loock | Oct 1927 | |
2015688 | Ney | Oct 1935 | |
2386630 | O'Malley | Oct 1945 | |
2462574 | Wallace | Feb 1949 | |
2796749 | Warner | Jun 1957 | |
3054275 | Ongaro | Sep 1962 | |
3124971 | Peters | Mar 1964 | |
3197552 | Flair | Jul 1965 | |
3367616 | Bausch | Feb 1968 | |
3406534 | Chapper | Oct 1968 | |
4114403 | Grey | Sep 1978 |
Entry |
---|
Bayer et al., IBM Technical Disclosure Bulletin, vol. 17, No. 3, pp. 849-850, Aug. 1974. |