|
| US4260253 | 27 sep 1977 | 7 apr 1981 | | Precision celestial pole locator |
| US4436421 | 31 aug 1981 | 13 mar 1984 | Asahi Kogaku Kogyo Kabushiki Kaisha | Polaris axis finder |
| US4865424 | 30 jun 1983 | 12 sep 1989 | Atlantic Richfield Company | Optical device with adjusting means |
| US5437427 | 25 jan 1994 | 1 aug 1995 | | Binocular mounting assembly for astronomical observations |
| US5537250 | 18 apr 1995 | 16 jul 1996 | | Equatorial mount for a binocular reflecting telescope |
| US5956177 | 9 apr 1997 | 21 sep 1999 | Asahi Kogaku Kogyo Kabushiki Kaisha | Converter for polar-axis telescope |
| US7048238 | 5 feb 2003 | 23 maj 2006 | | Telescope support stand system |
| US7605318 | 27 jul 2007 | 20 okt 2009 | | Gyro-JIG apparatus for repairing a stringed musical instrument |
| USD506766 | 27 jul 2004 | 28 jun 2005 | Eastcolight (Hong Kong) Limited | Telescope |
