Patent Grant
D371959
| Number | Name | Date | Kind |
|---|---|---|---|
| D24277 | Goettsch | May 1895 | |
| D74522 | Rozowsky | Feb 1928 | |
| D84509 | Boone | Jun 1931 | |
| D105355 | Herz | Jul 1937 | |
| D202073 | Douglas | Aug 1965 | |
| D220198 | Clauser, Sr. | Mar 1971 | |
| D350284 | Ran | Sep 1994 | |
| 1877299 | Del Papa | Sep 1932 | |
| 2113288 | Berger | Apr 1938 | |
| 2162089 | Kagen | Jun 1939 | |
| 2717073 | Young | Sep 1955 | |
| 3057466 | Blonder et al. | Oct 1962 | |
| 3870221 | Zeitter | Mar 1975 | |
| 4562922 | Midura | Jan 1986 | |
| 4574946 | Hanazato | Mar 1986 | |
| 4646959 | Sheffer | Mar 1987 | |
| 4713012 | Poplawski et al. | Dec 1987 | |
| 5358172 | Hollander et al. | Oct 1994 | |
| 5454508 | Billen | Oct 1995 | |
| 5458521 | Todd | Oct 1995 |
