Number | Name | Date | Kind |
---|---|---|---|
1257496 | Lamb | Feb 1918 | |
2056659 | Fenwick et al. | Aug 1936 | |
2066973 | Halvorson | Jan 1937 | |
2259107 | Halvorson | Aug 1941 | |
2291926 | Sperti | Aug 1942 | |
3860829 | Fabbri | Jan 1975 | |
4171535 | Westermann | Oct 1979 | |
4199803 | Hunt, III | Apr 1980 | |
4238815 | Price | Dec 1980 | |
4368506 | Rapp | Jan 1983 | |
4407011 | Lahm | Sep 1983 | |
4419717 | Price et al. | Dec 1983 | |
4420802 | Smester et al. | Dec 1983 | |
4449168 | Ewing | May 1984 | |
4451762 | Forte et al. | May 1984 | |
4459648 | Ullman | Jul 1984 | |
4460948 | Malola | Jul 1984 | |
4498126 | Hernandez | Feb 1985 | |
4535398 | Johnson et al. | Aug 1985 | |
4709313 | Goralnik | Nov 1987 | |
4855883 | Spitz | Aug 1989 | |
4890200 | Mandy | Dec 1989 | |
4976633 | Behelli | Dec 1990 | |
5023765 | Barton | Jul 1991 | |
5073845 | Aubrey | Dec 1991 |
Entry |
---|
Holophane Industrial Lighting Products Digest HL/693. |