Patent Grant
D270658
| Number | Name | Date | Kind |
|---|---|---|---|
| D97729 | Davock | Dec 1935 | |
| D143204 | Fleischhauer | Dec 1945 | |
| D229180 | Mollerstedt | Nov 1973 | |
| D237616 | Gordon | Nov 1975 | |
| D237709 | Jacuzzi | Nov 1975 | |
| D254206 | Ogden | Feb 1980 | |
| D255932 | D'Innocente et al. | Jul 1980 | |
| D257058 | Laver | Sep 1980 | |
| 2079770 | Robinson | May 1937 | |
| 2081728 | Bassett | May 1937 | |
| 2166469 | Houston | Jul 1939 | |
| 2566495 | Miyakawa | Sep 1951 | |
| 2587335 | Landergott | Feb 1952 | |
| 3066316 | Russell | Dec 1962 | |
| 3113323 | Beardsley | Dec 1963 | |
| 3366978 | Jones | Feb 1968 | |
| 3467969 | Szekely | Sep 1969 | |
| 3496579 | Petersen | Feb 1970 | |
| 3663971 | Bonhote | May 1972 | |
| 3736924 | Jacuzzi et al. | Jun 1973 | |
| 3827087 | Cuthbertson | Aug 1974 | |
| 3924278 | Ekman | Dec 1975 | |
| 3967472 | Nicollet | Jun 1976 | |
| 4160292 | Kuether et al. | Jul 1979 | |
| 4346485 | Reed et al. | Aug 1982 | |
| 4365367 | Houle et al. | Dec 1982 |
| Entry |
|---|
| Domestic Engineering, May 1978, p. 64, top left item. |
