Number | Name | Date | Kind |
---|---|---|---|
154245 | Halladay | Aug 1874 | |
1368756 | Ross | Feb 1921 | |
1597220 | Tuerck et al. | Aug 1926 | |
1782446 | Schultz | Nov 1930 | |
1810583 | Tuerck | Jun 1931 | |
1895740 | Ukropina | Jan 1933 | |
2296018 | Boyle | Sep 1942 | |
2585756 | Eschenbrenner | Feb 1952 | |
2602980 | Bryan | Jul 1952 | |
2605533 | Hirsh | Aug 1952 | |
3492395 | Breitfuss | Jan 1970 | |
3655842 | Trautner | Apr 1972 | |
3754954 | Gabriel et al. | Aug 1973 | |
3767433 | Haldas et al. | Oct 1973 | |
4041118 | Ottman et al. | Aug 1977 |
Entry |
---|
Hool et al., Concrete Practice, McGraw-Hill (1926) N.Y. pp. 18, 19, 28-33. |
Lea et al., The Chemistry of Concrete, Arnold London (1956) p. 153. |