| Patents for B26B 21 - Razors of the open or knife type; Safety razors or other shaving implements of the planing type; Hair-trimming devices involving a razor-blade; Equipment therefor (7,308) |
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| 02/26/1980 | US4189832 Shaving implement |
| 01/22/1980 | US4184247 Safety razor |
| 01/22/1980 | US4184246 Shaving unit |
| 01/08/1980 | US4182031 Razor with handle to store a blade unit or cartridge |
| 01/01/1980 | US4180907 Razor with trap door feature for making blade change |
| 12/11/1979 | US4177556 Water dispensing razor |
| 12/04/1979 | CA1067281A1 Shaving unit |
| 10/16/1979 | US4170821 Razor cartridges |
| 10/02/1979 | USRE30106 Method of producing amorphous cutting blades |
| 09/25/1979 | US4168571 Shaving unit |
| 09/11/1979 | US4167059 Disposable razor |
| 08/07/1979 | US4163316 Safety razor |
| 07/24/1979 | CA1058852A1 Safety razor |
| 07/17/1979 | CA1058392A1 Razors |
| 07/03/1979 | US4159567 Shaving instrument |
| 06/19/1979 | CA1056587A1 All plastic swivel head razor |
| 05/08/1979 | USRE29989 Cutting blades made of or coated with an amorphous metal |
| 05/08/1979 | US4152828 Razor having variable angle and tilt of its blade |
| 05/08/1979 | CA1054037A1 Method and apparatus for forming a helical cutter strip for a dry shaver assembly |
| 05/08/1979 | CA1053889A1 Razors and blade cartridges therefore |
| 05/01/1979 | CA1053454A1 Blade shields |
| 04/24/1979 | CA1052992A1 Haircutters featuring blade holding means |
| 04/17/1979 | CA1052554A1 Razor assembly |
| 04/10/1979 | US4148139 Hand razor assembly |
| 04/10/1979 | CA1052084A1 Razor blade assembly |
| 04/03/1979 | US4146958 Safety razor |
| 04/03/1979 | CA1051647A1 Hair cutter |
| 02/20/1979 | US4139942 Process for producing corrosion resistant carbon steel razor blades and products made thereby |
| 02/06/1979 | CA1047753A1 Safety razor |
| 01/02/1979 | CA1045365A1 Double edge blade safety razor |
| 12/19/1978 | US4129942 Shaving implement |
| 12/12/1978 | US4128941 Sheathed razor blade |
| 12/12/1978 | US4128937 Safety razor with serpentine handle |
| 11/28/1978 | CA1043090A1 Double edge razor |
| 11/21/1978 | US4125939 Razor blade arrangement |
| 11/07/1978 | CA1041754A1 Shaving apparatus with a holder for a cutting element |
| 10/31/1978 | US4122600 Injector razor adapter |
| 10/10/1978 | CA1039940A1 Shaving unit for safety razor |
| 10/03/1978 | CA1039488A1 Amorphous alloy cutting instrument |
| 08/01/1978 | US4103418 Manually-operated revolvable shaving device |
| 07/04/1978 | US4097990 Plastic double edge razor |
| 06/13/1978 | US4094066 Surgical razor blade with integral guard |
| 06/13/1978 | US4094063 Razor assembly with pivotally mounted cartridge |
| 06/13/1978 | US4094062 Illuminated razor |
| 04/18/1978 | US4084316 Safety razors |
| 04/11/1978 | US4083104 Razor handle |
| 04/11/1978 | US4083103 Adjustable safety razor |
| 04/11/1978 | US4083102 Vibratory razor with adjustable guards |
| 03/07/1978 | US4077119 Shaving device |
| 02/21/1978 | US4074429 Novel lathering device and razor assembly |
| 02/21/1978 | US4074428 Pocket razor and shave cream dispenser |
| 01/24/1978 | US4069580 Safety razor with flexible blade cartridge |
| 12/20/1977 | US4063357 Safety razors |
| 12/20/1977 | US4063354 Shaving unit |
| 12/20/1977 | US4063353 Haircutters featuring blade holding means |
| 11/29/1977 | US4059891 Blade and improved holder for it |
| 11/22/1977 | US4058891 Hair cutters |
| 11/15/1977 | US4057896 Razor handle |
| 09/13/1977 | US4047296 Two-edge shaving blade unit having anti-clogging means |
| 08/30/1977 | US4044463 Shaving apparatus with a holder for a cutting element |
| 07/26/1977 | US4037322 Razor adapted for surgical preparation |
| 07/26/1977 | US4037321 Double edge blade razor |
| 06/28/1977 | US4031620 Shaving system |
| 06/21/1977 | US4030196 Hair cutter |
| 06/21/1977 | US4030193 Haircutting machine |
| 06/07/1977 | US4027386 Cutting implement |
| 05/31/1977 | US4026016 Razor blade assembly |
| 05/17/1977 | US4023269 Shaving device |
| 05/03/1977 | US4021272 Method of isothermal annealing of band steels for tools and razor blades |
| 05/03/1977 | US4020549 Hair cutter comb |
| 04/12/1977 | US4016648 Safety razor |
| 03/15/1977 | US4012551 Coated razor blade |
| 03/15/1977 | US4011656 Hair cutter |
| 03/08/1977 | US4011071 Method of making glass shaving instrument |
| 12/14/1976 | US3996663 Hair cutters |
| 11/09/1976 | US3990461 Razor cut comb brush |
| 10/19/1976 | US3986258 Haircutter |
| 10/12/1976 | US3985146 Disposable shaving kit |
| 10/05/1976 | US3983627 Interchangeable blade type razor |
| 09/14/1976 | US3980906 Ultrasonic motor-converter systems |
| 08/24/1976 | US3975820 Razors and blade cartridge therefore |
| 08/03/1976 | US3972115 Safety razors |
| 08/03/1976 | US3972114 Self-cleaning mechanism for twin blade razors |
| 07/20/1976 | US3969817 Shaving moisturizer device |
| 07/06/1976 | US3968018 Sputter coating method |
| 07/06/1976 | US3967375 Razor construction |
| 06/22/1976 | US3964160 Safety razor with an angularly adjustable head |
| 06/22/1976 | US3964159 Adjustable safety razor |
| 06/01/1976 | US3960608 Razor blades |
| 05/25/1976 | US3958692 Shaving system |
| 05/18/1976 | US3956951 Method of shaving |
| 05/11/1976 | US3955277 Adjustable razor blade unit |
| 05/04/1976 | US3953926 Hair cutting and trimming device |
| 04/27/1976 | US3953186 Industrial process for the production of glass razor blades |
| 04/27/1976 | US3952413 Shaving unit for safety razor |
| 04/20/1976 | US3950849 Razor with rotatably mounted shaving unit |
| 04/20/1976 | US3950848 Safety razor |
| 04/13/1976 | US3949470 Safety razor |
| 04/06/1976 | US3947960 Wand hair cutter |
| 03/02/1976 | US3940853 Shaving unit with blade tensioning means |