Delphi Oracle Corp.
Intellectual Property Licensing

SAFETY RAZOR

Four U.S. patents for this device have issued.
Contact us for licensing.

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Lost Profits:  The relationship between corporate profits, wages, and international trade



Claim 1, USP 6,519,856



1. A safety razor head assembly having a cutting zone having a width, comprising spaced leading and trailing guard means, and a plurality of cutting edges disposed in the space between said leading and trailing guard means, said cutting edges fixed in a spaced relationship along the cutting zone width, each of said cutting edges having a leading edge and a trailing edge and an effective cutting length between said leading edge and said trailing edge, said cutting edge having a slicing angle and a shaving angle, where said effective cutting length is less than about 8 mm, said slicing angle is greater than 30 degrees and less than about 85 degrees, and said shaving angle lies in the range between 2 degrees and 90 degrees.