Number | Name | Date | Kind |
---|---|---|---|
2278356 | Livingston | Mar 1942 | |
2974646 | Miller | Mar 1961 | |
2998805 | Usab | Sep 1961 | |
3143932 | Lanman | Aug 1964 | |
3264949 | Dietlin | Aug 1966 | |
3315413 | Beecher et al. | Apr 1967 | |
3319925 | Kojima | May 1967 | |
3450382 | Calim | Jun 1969 | |
3508472 | Hartwick | Apr 1970 | |
3776106 | Pish | Dec 1973 | |
3952604 | Baudler | Apr 1976 | |
4195905 | Hansen | Apr 1980 | |
4202321 | Volna | May 1980 | |
4282442 | Massinger | Aug 1981 | |
4359932 | Childers | Nov 1982 | |
4383520 | Huebl et al. | May 1983 | |
4504038 | King | Mar 1985 | |
4625709 | Brandstatter | Dec 1986 | |
4651969 | Dowdall | Mar 1987 | |
4711156 | Kayyod | Dec 1987 | |
5118058 | Richter | Jun 1992 | |
5134923 | Wexler | Aug 1992 |
Number | Date | Country |
---|---|---|
93662 | Nov 1983 | EPX |
Entry |
---|
Wattsun active solar tracker, p. 114. |
Zomeworks passive solar tracker, p. 116. |