U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

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Patent No. 5377411

Hair Cutting Appliance

A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.

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Class 172/693 - Oblique bar


Subclass of Class 172 - Earth working
Definition: Apparatus in which the general extent of the beam is in
No. of patents: 4
Last issue date: 05/08/1979


NumberTitleIssue Date
4153116Implement with angled beam and mounting structure for connection to a three arm lift
A fully mounted implement for working the soil comprising a main frame formed by an angled beam, two transverse beams and a longitudinal beam, soil working elements arranged along the angled beams which is at an angle between 35° and 70° to the longitud...
05/08/1979
4036305Gang plow
A plurality of plow units are mounted to a main frame of a plow system for rotation about their vertical axes. The plow units are spaced at equal lateral increments and at uniformly increased distances from a pivot connection between the main frame and a ...
07/19/1977
4036306Multi-unit adjustable plow pulled by vehicle and having steering wheel turnable only on adjustment of plow
The plow system may carry as many as 10 or 14 individual plow units. All of the units are connected together by a tie rod and may be pivoted in unison relative to a main frame. By pivoting the units, they may be opened or closed to adjust the width of cut...
07/19/1977
3983944Trailer plough with hinged boom parts
This invention is a trailer plough having a double-length boom carrying twice as many shares as a conventional boom to enable a larger area to be ploughed at each pass of the tractor. The boom is in two parts connected together by a hinge having a univers...
10/05/1976
 
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