| Patents for B42D 9 - Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners (3,146) |
|---|
| 04/05/1983 | CA1144205A1 Device to make a book stay open |
| 01/05/1983 | EP0069041A1 Automatic page turner |
| 11/09/1982 | US4358012 Accountants and bookkeepers cardmarks in dispenser pack |
| 08/31/1982 | US4346641 Apparatus for automatically turning the pages of a music box |
| 06/22/1982 | US4335903 Book reader's clip |
| 06/15/1982 | US4334771 Visually descriptive information transmission, storage, and retrieval set |
| 04/29/1982 | WO1982001347A1 Combined book leaf holder and bookmark |
| 10/15/1981 | WO1981002867A1 Detachable bookmarker |
| 08/25/1981 | US4285532 Book marker |
| 07/28/1981 | CA1105958A1 Integral page and tab |
| 12/30/1980 | US4241994 Visually descriptive information transmission, storage, and retrieval set |
| 11/25/1980 | US4235457 Book readers clip |
| 07/29/1980 | CA1082555A1 Page turners |
| 06/24/1980 | CA1080074A1 Music sheet page turning device |
| 05/13/1980 | CA1077367A1 Reference manual stand |
| 02/05/1980 | US4186683 Book mark-page line-reader |
| 02/05/1980 | US4186504 Display marker device |
| 01/22/1980 | US4184699 Integral page and tab |
| 08/07/1979 | US4163539 Reading table |
| 07/31/1979 | US4162800 Combination bookmark and writing instrument holder |
| 07/31/1979 | US4162659 Bookmark |
| 07/10/1979 | US4160334 Reversible page turner |
| 07/03/1979 | US4159836 Book holder and reading locator |
| 05/29/1979 | US4156513 Reader rack |
| 04/18/1979 | EP0001430A1 Line indicator |
| 12/19/1978 | CA1044741A1 Document storage system |
| 10/24/1978 | US4121361 Apparatus for automatically turning pages |
| 07/25/1978 | US4102071 Automatic page turning apparatus |
| 04/18/1978 | US4084468 Electric page turner |
| 02/07/1978 | US4072407 Apparatus for holding, reading and handling books |
| 02/07/1978 | US4072080 Sheet music page turning device |
| 01/03/1978 | US4066168 Reference manual stand |
| 09/13/1977 | US4047688 Page keeper |
| 08/23/1977 | US4043064 Copyholder |
| 08/09/1977 | US4040195 Page turner apparatus |
| 07/26/1977 | US4037895 Document storage system |
| 06/28/1977 | US4031644 Page-turners |
| 05/24/1977 | US4024832 Bookmarker |
| 05/03/1977 | US4020733 Page turning device |
| 04/05/1977 | US4015813 Bookholder |
| 03/29/1977 | US4014508 Book holding device |
| 10/19/1976 | US3986232 Book page holder |
| 10/12/1976 | US3985383 Indexing device |
| 09/21/1976 | US3981522 Book holder |
| 06/22/1976 | US3964188 Audiovisual book system |
| 02/24/1976 | US3939587 Page-turner for books and the like |