| Patents for G09D 3 - Perpetual calendars (1,171) |
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| 05/14/1997 | CN2254224Y Desk calendar with changeable picture |
| 04/30/1997 | CN2253507Y Permanent monthly (desk) calendar with auxiliary function |
| 04/23/1997 | CN2253027Y Perpetual calendar |
| 04/23/1997 | CN2253026Y Living commemorative calendar |
| 04/16/1997 | CN2252379Y Box wall calendary with rotating roller |
| 04/16/1997 | CN2252378Y Desk calendar |
| 04/16/1997 | CN2252377Y Turnover calendar card |
| 04/09/1997 | CN2251766Y Rotary calendar card |
| 03/19/1997 | CN2249940Y Automatic leaf turning-over calender with light |
| 03/12/1997 | CN2249439Y Perpetual calender rotary disc |
| 03/12/1997 | CN2249438Y Qimen universal disc |
| 03/05/1997 | CN1144366A Perpetual Gregorian monthly calendar |
| 02/25/1997 | US5605000 Scheduling board |
| 01/29/1997 | CN2246316Y Active fixing hole of hanging calendar |
| 12/18/1996 | CN2243106Y Perpetual calendar |
| 12/10/1996 | US5581920 Perpetual calendar |
| 12/04/1996 | CN2241905Y Automatic changing pictures hanging calendar using for many years |
| 11/26/1996 | US5577917 Method of a means for generating a children's weekly interactive scrolling calendar apparatus |
| 11/20/1996 | CN1135928A Calender playing cards |
| 11/14/1996 | WO1996036035A1 Cylindrical, rotatable cartridge-like device for coordination of periodical informations |
| 11/13/1996 | CN2240178Y Full-automatic desk calendar with computer |
| 11/06/1996 | CN2239647Y Multifunctional visual and audio perpetual calendar |
| 10/15/1996 | US5564361 Clothing usage indicator |
| 10/09/1996 | CN2237266Y Angle adjustable desk electronic perpetual calendar |
| 10/01/1996 | US5560127 Perpetual calendar |
| 09/25/1996 | CN2236153Y Perpetual calendar rotary disk |
| 09/11/1996 | CN2235141Y Multifunctional building block combined permanent calendar |
| 09/05/1996 | DE19507446A1 Advent type calendar for counting time span up to target date, esp. for children |
| 07/16/1996 | US5537369 Desk calendar and clock combination |
| 07/10/1996 | CN2230961Y Perpetual calender |
| 07/03/1996 | CN2230465Y Permanent calendar |
| 07/03/1996 | CN2230464Y Combined hanging calendar |
| 06/12/1996 | CN2229096Y Perpetual monthly calendar |
| 05/29/1996 | CN2228248Y Sunday-indicating quick-checking disk |
| 05/15/1996 | CN2227366Y Perpetual calendar |
| 05/01/1996 | CN2226326Y Rolled calendar |
| 04/03/1996 | CN2223858Y Low power large electronic automatic wall calendar |
| 03/13/1996 | CN2222384Y Calendar |
| 03/06/1996 | CN2221806Y Monthly calendar with sound |
| 02/14/1996 | CN1116750A Box type monthly calendar |
| 02/07/1996 | CN2219523Y 自动万年历 Auto calendar |
| 02/07/1996 | CN2219522Y Calendar disc of Heavenly Stems and Earthly Branches |
| 01/31/1996 | CN2218649Y Roll vertical lighting hanging-up calendar |
| 01/24/1996 | CN2218397Y Automatic permenant solar and lunar calender and clock |
| 01/23/1996 | US5485692 Multiple year calendar |
| 01/18/1996 | WO1996001465A1 Frame calendar |
| 01/03/1996 | CN2216705Y Hanying perpetual calendar |
| 12/27/1995 | CN2215990Y Roller type lantern picture wall calendar device |
| 12/13/1995 | CN2215138Y Cartoon stereo single-page calendar card with sound |
| 12/13/1995 | CN2215137Y Perpetual monthly (desk) calendar with inquiring about function |
| 11/29/1995 | CN2214025Y Electronic perpetual calendar |
| 11/08/1995 | CN2212232Y Rolling perpetual calendar |
| 11/01/1995 | CN2211637Y Calendar disc |
| 10/25/1995 | CN2210788Y Rolling picture-frame type calendar and wall painting |
| 10/18/1995 | CN2210447Y Calendar with seven disc |
| 10/18/1995 | CN2210093Y 艺术日历 Arts Calendar |
| 10/17/1995 | US5457904 Personalized calendar and system for making |
| 10/17/1995 | US5457903 Perpetual mechanical calendar |
| 10/17/1995 | US5457902 Device for recording and displaying occurrences in a person's life |
| 09/27/1995 | CN2208733Y Universal hanging calendar |
| 09/20/1995 | CN2208258Y Automatic electronic calender |
| 09/13/1995 | CN2207619Y Multifunctional perpetual calendar disk |
| 09/06/1995 | CN2206987Y Perpetual calendar |
| 08/23/1995 | CN1107244A Periodic circulation universal Gregorian calendar form |
| 08/03/1995 | DE19500484A1 Perpetual calender |
| 07/13/1995 | DE4400472A1 Desk calendar with housing retaining calendar sheet |
| 07/12/1995 | CN2203481Y 多功能电子月历 Multi-functional electronic calendar |
| 07/12/1995 | CN2203462Y Perpetual calendar clock dial |
| 06/27/1995 | US5426876 Calendar photo album |
| 06/21/1995 | CN2201701Y Mobil wall calendar |
| 06/14/1995 | DE4412325C1 Indication device, partic. calendar |
| 05/31/1995 | CN2199573Y Artistic multifunctional full-automatic 2000 year calendar |
| 05/09/1995 | US5412886 Calendar oriented monthly bill payment sorter |
| 04/26/1995 | CN2195438Y 万年日历 Calendar years |
| 04/19/1995 | CN2195127Y Perpetual calendar |
| 03/29/1995 | CN2193576Y Table electronic calendar with timing lamp decoration painting |
| 03/29/1995 | CN2193575Y Wall quartz calendar plate |
| 03/29/1995 | CN2193574Y Disk calendar |
| 03/29/1995 | CN2193573Y Device for assuring weekend |
| 03/29/1995 | CN2193256Y Wall calender |
| 03/22/1995 | CN2192929Y Combined changable monthly calendar |
| 03/15/1995 | CN2192062Y Horizontal inscribed board with calendar |
| 03/15/1995 | CN2191599Y Tea cup with perpetual calendar pattern |
| 03/15/1995 | CN1027932C Arabic numerals display mechanism and long-term use calendar |
| 02/23/1995 | WO1995005652A1 Desk calender with rotating date cylinder |
| 02/16/1995 | DE4327192A1 Calendar |
| 02/15/1995 | CN2189533Y Multi-purpose perpetual calendar |
| 02/08/1995 | CN2189340Y Disc type universal calender for solar calender and lunar calender |
| 02/08/1995 | CN2189055Y Science universal calender |
| 02/07/1995 | US5386655 Biographical calendar |
| 01/03/1995 | US5379272 Moslem calendar |
| 12/28/1994 | CN2186428Y Multifunction calendar board of "changes" perpetual calendar |
| 12/28/1994 | CN2186427Y Monthly calendar with adjustable week |
| 12/07/1994 | EP0627328A1 Programmable organizer and method of making same |
| 12/01/1994 | CA2097382A1 Programmable organizer and method of making same |
| 11/23/1994 | CN2183601Y Multifunction electronic calendar |
| 11/16/1994 | CN2183016Y Multi-function rotable wall calender |
| 10/26/1994 | CN2181054Y Scale type universal calendar of twelve symbolize of born year |
| 10/05/1994 | CN2178621Y Perpetual calendar with type |
| 09/14/1994 | CN2176905Y Multifunction perpetual calendar |