Patent Grant
D390444
| Number | Name | Date | Kind |
|---|---|---|---|
| RE26508 | Stavenau et al. | Dec 1968 | |
| RE34230 | Tucker et al. | Apr 1993 | |
| RE34287 | Berner et al. | Jun 1993 | |
| D241910 | Meisner | Oct 1976 | |
| D333971 | Kaplan et al. | Mar 1993 | |
| D347569 | Vetter et al. | Jun 1994 | |
| D350666 | Wobschall et al. | Sep 1994 | |
| 3085299 | Roynand | Apr 1963 | |
| 3214157 | Stavenau | Oct 1965 | |
| 3258874 | Martin | Jul 1966 | |
| 3422575 | Armstrong | Jan 1969 | |
| 3457675 | Armstrong | Jul 1969 | |
| 3461609 | Armstrong | Aug 1969 | |
| 4136578 | Van Klompenburg | Jan 1979 | |
| 4241541 | Van Klompenburg et al. | Dec 1980 | |
| 4253276 | Peterson et al. | Mar 1981 | |
| 4266371 | Erdman et al. | May 1981 | |
| 4305228 | Nelson | Dec 1981 | |
| 4346372 | Sandberg | Aug 1982 | |
| 4521993 | Tacheny et al. | Jun 1985 | |
| 4617758 | Vetter | Oct 1986 | |
| 4823508 | Allen | Apr 1989 | |
| 4840075 | Tucker | Jun 1989 | |
| 4843703 | Nolte et al. | Jul 1989 | |
| 4845830 | Nolte et al. | Jul 1989 | |
| 4894902 | Tucker | Jan 1990 | |
| 4937976 | Tucker et al. | Jul 1990 | |
| 4945678 | Berner et al. | Aug 1990 | |
| 5054239 | Tucker et al. | Oct 1991 | |
| 5199216 | Vetter et al. | Apr 1993 | |
| 5272837 | Nolte et al. | Dec 1993 |
| Entry |
|---|
| Window Operator, Sweet's Architectural File, Section 17a/Wi 1962. |
