Patent Grant
D399123
| Number | Name | Date | Kind |
|---|---|---|---|
| D335439 | Leyden et al. | May 1993 | |
| D344033 | Davidge | Feb 1994 | |
| D382912 | Frieden | Aug 1997 | |
| 2480662 | McKinzie | Aug 1949 | |
| 2729418 | Maynard | Jan 1956 | |
| 3664163 | Foote | May 1972 | |
| 3727934 | Averbook et al. | Apr 1973 | |
| 3866873 | Bohli | Feb 1975 | |
| 4004440 | Dreyer | Jan 1977 | |
| 4028913 | Falk | Jun 1977 | |
| 4065083 | Gassaway | Dec 1977 | |
| 4212175 | Zakow | Jul 1980 | |
| 4223542 | Basseches | Sep 1980 | |
| 4570465 | Bennett | Feb 1986 | |
| 4691891 | Dionne | Sep 1987 | |
| 4733840 | D'Amore | Mar 1988 | |
| 4738428 | Themistos et al. | Apr 1988 | |
| 4773628 | Aleshire | Sep 1988 | |
| 4822005 | Aleshire | Apr 1989 | |
| 4826193 | Davis | May 1989 | |
| 4842912 | Hutter, III | Jun 1989 | |
| 4843848 | Igelmund | Jul 1989 | |
| 4979382 | Perry | Dec 1990 | |
| 4993244 | Osman | Feb 1991 | |
| 5050836 | Makous | Sep 1991 | |
| 5135197 | Kelley et al. | Aug 1992 | |
| 5197706 | Brathwaite et al. | Mar 1993 | |
| 5228658 | Kelley | Jul 1993 | |
| 5314162 | Kelley | May 1994 | |
| 5349834 | Davidge | Sep 1994 | |
| 5632165 | Perry | May 1997 | |
| 5649436 | Davidge | Jul 1997 |
| Number | Date | Country |
|---|---|---|
| 987121 | Apr 1976 | CAX |
| Entry |
|---|
| Kablit Security System Catalog, pp. 7, 93, 1988. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 787619 | Feb 1997 |
