Number | Name | Date | Kind |
---|---|---|---|
1637697 | Jacobsen | Jul 1927 | |
2740616 | Walden | Apr 1956 | |
2825464 | Mack | Mar 1958 | |
3228868 | Ruskin | Jan 1966 | |
3669274 | Happ et al. | Jun 1972 | |
3680705 | Happ et al. | Aug 1972 | |
3689033 | Holmstrom et al. | Sep 1972 | |
3860217 | Grout | Jan 1975 | |
3923660 | Kottmeier | Dec 1975 | |
3951807 | Sanderson | Apr 1976 | |
4054270 | Gugger et al. | Oct 1977 | |
4146479 | Brown | Mar 1979 | |
4153559 | Sanderson | May 1979 | |
4189243 | Black | Feb 1980 | |
4216092 | Shalhoob et al. | Aug 1980 | |
4278549 | Abrams et al. | Jul 1981 | |
4289621 | O'Meara, Jr. | Sep 1981 | |
4299700 | Sanderson | Nov 1981 | |
4320003 | Sanderson et al. | Mar 1982 | |
4357237 | Sanderson | Nov 1982 | |
4366053 | Lindler | Dec 1982 | |
4372852 | Kovacs | Feb 1983 | |
4417984 | O'Meara, Jr. | Nov 1983 |
Entry |
---|
Superior Water Conditioner Sales Information, Jun. 20, 1979. |
Global Engineered Sales Information, Jun. 1979, Houston, Texas. |
CPS Industries, Inc. Brochure, Jun. 1982. |