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#6,216,349 Safety Razors Single-blade razors are so 1901. But designing a triple-blade razor is no easy feat.To reduce “frictional drag forces” — and to avoid cutting skin — Gillette positions its blades at hyperprecise positions. Keeping the edge of each blade 1.5 mm apart gets you a close shave. #5,918,369 Shaving System and Method Even empty space has a (patented) purpose on the Mach3 razor. Here, the “unobstructed rinsing region” allows for easy cleaning of the blades. #5,855,071 Razor Handle Sure, it looks like a simple plastic tab, but the “spring biased plunger” helps liberate the blade from its dispenser and place it into your razor. Without it, you’ve got a blade as stranded as Shackleton, and a face like a grizzly. #6,029,354 Shaving System and Method The pivoting support structure lets the cartridge move to follow the contours of the face. This design enables the blades to get just the right angle of attack. #5,784,790 Shaving Razor and Method Pressing this button activates the U-shaped ejector, the Mach3′s onboard blade bouncer. When it extends from the handle, your cartridge is history. #5,822,869 Razor Handle No detail is too small for Gillette’s patent attorneys. Even the metallic-colored plastic of the handle — ahem, the “elongated hand gripping structure”.

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