Number | Name | Date | Kind |
---|---|---|---|
1187544 | Olberg | Jun 1916 | |
1278827 | Baxter | Sep 1918 | |
1451012 | Ellison | Apr 1923 | |
1472002 | Holt | Oct 1923 | |
1570351 | Hultin | Jan 1926 | |
1701679 | Johnson | Nov 1926 | |
1703566 | Baum | Jun 1928 | |
2239173 | Madsen | Apr 1941 | |
2249257 | Rvmney | Jul 1941 | |
2288548 | Peremi et al. | Jun 1942 | |
2402105 | Verhagen | Jun 1946 | |
2696280 | Bourne et al. | Dec 1954 | |
2757421 | Toney | Aug 1956 | |
2788099 | Geyser | Apr 1957 | |
2791007 | Kobil | May 1957 | |
2840202 | Hehr | Jun 1958 | |
2853161 | Mascari | Sep 1958 | |
2863180 | Birdwell | Dec 1958 | |
2902727 | Samolis | Sep 1959 | |
2966767 | Kobil et al. | Aug 1961 | |
3016996 | Smathers et al. | Feb 1961 | |
3023464 | Zerbe | Mar 1962 | |
3141205 | Russell | Jul 1964 | |
3156331 | Sklar | Nov 1964 | |
3203053 | Lane | Aug 1965 | |
3340663 | Collard | Sep 1967 | |
3363365 | Laepple | Jan 1968 | |
3420003 | Cline | Jan 1969 | |
3460306 | Schmidlin | Aug 1969 | |
3469347 | Ringle, III | Sep 1969 | |
3533918 | Dauson | Jan 1971 | |
3726051 | Kellis | Apr 1973 | |
3769773 | Mochizuki | Nov 1973 | |
3875700 | Street | Apr 1975 | |
3889423 | Begin | Jun 1975 | |
3999339 | Sappenfield | Feb 1970 | |
4115964 | Montrouil | Sep 1978 | |
4193238 | Chalmers et al. | Mar 1980 | |
4259818 | Staril | Apr 1981 | |
4488391 | Pavnica | Dec 1984 | |
4570399 | Wentink | Feb 1986 | |
4679366 | Hitchins | Jul 1987 | |
4715153 | Rohrman | Dec 1987 | |
4726148 | Tix | Feb 1988 | |
4856255 | Chao | Aug 1989 | |
4999958 | Harrison | Mar 1991 |
Number | Date | Country |
---|---|---|
1915035 | Oct 1970 | DEX |
1659411 | May 1971 | DEX |
2221988 | Nov 1973 | DEX |
2330448 | Jan 1975 | DEX |
3420626A1 | Dec 1985 | DEX |
3626194A1 | Feb 1988 | DEX |
8906728.2 | Oct 1989 | DEX |
2026384 | Sep 1970 | FRX |
2215526 | Aug 1974 | FRX |
7806419 | Jun 1978 | NLX |
8301027 | Oct 1984 | NLX |
8500516 | Sep 1986 | NLX |
240629 | Oct 1925 | GBX |
1041034 | Sep 1966 | GBX |
Entry |
---|
"Fixed Fast Max"; 1 page; Jun. 1989 and Aug. 1988. |
"Fast Max"; 1 page; Jun. 1989 and Mar. 1985. |
"Norshield--Installation Instructions for High Security 3000 Series Modules," circa 1984. |
"Norshield--Installation Instructions for High--Security Doors", 1985. |
CTW Double Teller Windows, Chicago Bullet Proof Equip. Co. (6 pages). |
World Intellectual Property Organization WO89/03924 published May 5, 1989. |