Windmill rotor and blades

Details Windmill rotor and blades Windmill rotor and blades

Filed on

1991-02-06

Date issued

1993-06-22

Examiner

Word, A. Hugo

Patent Class

Building units and construction elements

SubClass

Structure

Type

Patent

Status

active

Patent number

D03367622

Description

REFERENCES:
patent: 56089 (1866-07-01), Palmer
patent: 169227 (1875-10-01), Beckley
patent: 192304 (1877-06-01), Stearns et al.
patent: 196448 (1877-10-01), Harris
patent: 335713 (1886-02-01), Ogden
patent: 459184 (1891-09-01), Hawkins
patent: 468541 (1892-02-01), Carpenter
patent: 580100 (1897-04-01), Williams
patent: 854652 (1907-05-01), Kinney
patent: 870567 (1907-11-01), Loh
patent: 1279320 (1918-09-01), Gamlen
patent: 2979305 (1961-04-01), Kwiatek
patent: 4019828 (1977-04-01), Bunzer
patent: 4329593 (1982-05-01), Willmouth
patent: 4364709 (1982-12-01), Tornquist

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