Number | Name | Date | Kind |
---|---|---|---|
422318 | Sagendorph | Feb 1890 | |
429937 | Mitchell | Jun 1890 | |
857671 | Reyburn | Jun 1907 | |
864619 | De Man | Aug 1907 | |
882273 | Slick | Mar 1908 | |
944589 | Baum, Jr. | Dec 1909 | |
1514512 | Fisher | Nov 1924 | |
1852042 | Dean | Apr 1932 | |
2382208 | Corbin | Aug 1945 | |
2446914 | Fallert et al. | Aug 1948 | |
2583443 | Perry et al. | Jan 1952 | |
2998132 | Wilson | Aug 1961 | |
3429544 | Williams | Feb 1969 | |
3446692 | Turnbull | May 1969 | |
3471113 | Fahey | Oct 1969 | |
3481502 | Slayman | Dec 1969 | |
3677436 | Danielson | Jul 1972 | |
3759193 | Branch | Sep 1973 | |
4044083 | Howe et al. | Aug 1977 | |
4065903 | Morley | Jan 1978 | |
4099359 | Sivachenko | Jul 1978 | |
4221292 | Koebel | Sep 1980 | |
4435463 | Roellchen | Mar 1984 | |
4776139 | Lockwood | Oct 1988 | |
5127619 | Bleim | Jul 1992 | |
5195439 | Harder | Mar 1993 | |
5279082 | Scholta | Jan 1994 | |
5463965 | Cordrey | Nov 1995 |
Number | Date | Country |
---|---|---|
499424 | Mar 1951 | BEX |
1081630 | Jul 1980 | CAX |
1015551 | Oct 1952 | FRX |
1121113 | Jul 1956 | FRX |
1.300.898 | Jul 1962 | FRX |
2 430 369 | Feb 1980 | FRX |
16954 | Jan 1904 | SEX |
WO 9510013 | Apr 1995 | WOX |
Entry |
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European Search Report and Annex to the European Search Report on European Patent Application No. 96 30 8719, Date of Mailing of Search -Mar. 25, 1997. |
Gypsum Association --4 pages --Title: SUPPORT RISERS. |