 
                 Patent Grant
 Patent Grant
                     5992095
 5992095
                    | Number | Name | Date | Kind | 
|---|---|---|---|
| 416146 | Wood | Nov 1889 | |
| 421350 | Cook | Feb 1890 | |
| 549901 | Davis | Nov 1895 | |
| 636491 | Cohen | Nov 1899 | |
| 933570 | Ludeman | Sep 1909 | |
| 1747655 | Wright | Feb 1930 | |
| 2201105 | Fabriani | May 1940 | |
| 2850346 | Holderle et al. | Sep 1958 | |
| 3103713 | Ahlgren | Sep 1963 | |
| 3350151 | Phillips | Oct 1967 | |
| 4280414 | Allshouse | Jul 1981 | |
| 4545630 | Izumi et al. | Oct 1985 | |
| 4785579 | Sugiyama | Nov 1988 | |
| 4991347 | Takimoto | Feb 1991 | |
| 5022454 | Kobayashi | Jun 1991 | 
| Entry | 
|---|
| Disclosure of "Retractable Security Enclosures Concept" by Kevin L. Tilley, May 7, 1996. |