Cutlery – Razors – Curved edge
Patent
1993-04-29
1994-01-11
Watts, Douglas D.
Cutlery
Razors
Curved edge
30 32, 30 41, 30 50, A26B 2100
Patent
active
052769674
ABSTRACT:
A flexible, twin-blade razor unit employing a corrugated spacer for providing improved cutting effectiveness. The corrugations increase the rigidity of the blades, which, in turn, decreases the amplitude of any vibration introduced into the blades.
REFERENCES:
patent: 3890704 (1975-06-01), Ferraro
patent: 4854043 (1989-08-01), Chen
patent: 4976028 (1990-12-01), Chen
patent: 5003694 (1991-04-01), Chen
Ferraro Frank A.
Motta Vincent C.
Almer Charles W.
Heyrana Sr. Paul M.
Warner-Lambert & Company
Watts Douglas D.
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