Number | Name | Date | Kind |
---|---|---|---|
1982325 | Shepherd | Nov 1934 | |
2930511 | Vanerstrom | Mar 1960 | |
3607784 | Mlot-Fijalkowski | Sep 1971 | |
4249412 | Townsend, III | Feb 1981 | |
4535802 | Robertson | Aug 1985 | |
4612798 | Roberts | Sep 1986 | |
4693118 | Roberts | Sep 1987 | |
4745772 | Ferris | May 1988 | |
4758366 | Parekh | Jul 1988 |
Entry |
---|
Spectronics Corporation trade literature entitled "Spectroline.RTM. Automotive Leak Detection Systems". |