Number | Date | Country | Kind |
---|---|---|---|
63-190861 | Jul 1988 | JPX |
Number | Name | Date | Kind |
---|---|---|---|
2709785 | Fielden | May 1955 | |
3096591 | Higgins et al. | Jul 1963 | |
3365659 | Breuer | Jan 1968 | |
3774185 | Parth | Nov 1973 | |
4240028 | Davis, Jr. | Dec 1980 | |
4426618 | Ronchetti et al. | Jan 1984 | |
4600967 | Ling et al. | Jul 1986 | |
4673927 | Cianciavicchia et al. | Jun 1987 | |
4751842 | Ekrann et al. | Jun 1988 |
Number | Date | Country |
---|---|---|
548798 | Jun 1975 | SUX |
Entry |
---|
Industrial Instruments Inc., Catalog 27, 1963 pp. 18-19. |