U.S. patents available from 1976 to present.
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Patent No. 5823572

Self Defense Weapon With Memo

A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.

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Class 172/169 - Including tool rotatable about vertical axis


Subclass of Class 172 - Earth working
Definition: Apparatus in which one of the earth working elements is
No. of patents: 10
Last issue date: 06/28/1988


NumberTitleIssue Date
4753297Rotary disk tool assembly and material dispensing and crop cutting implements
An agricultural tool assembly includes a rotary disk mounted on a lower end of a rotary spindle. A mount for the spindle includes a shank adapted to be received in the vertical slot of a clamp and a sleeve for rotatably supporting the spindle. The sleeve ...
06/28/1988
4660653Rotary disk tool assembly and implements
An agricultural tool assembly (21) disclosed is used with a planter attachment. Assembly (21) includes a rotary disk (23) mounted on a lower end of a rotary spindle (25). An offset mount for the spindle includes a shank (41) adapted to be received in the ...
04/28/1987
4585073Rotary disk tool assembly and implements
An agricultural tool assembly (21) disclosed is usable on a variety of implements in place of shovels, blades, tines or sweeps and on novel cultivating or crop root undercutting implements and the like. Assembly (21) includes a rotary disk (23) mounted on...
04/29/1986
4562780Trash farming means and method
A trash farming implement is provided with a plurality of tillage assemblies on an implement, each tillage assembly having a tillage disc arranged to rotate about an axis which is inclined slightly from the vertical both in end elevation and in side eleva...
01/07/1986
4294181Subsoil agricultural implement with rotatable disc
A subsoil implement is disclosed that utilizes a horizontally rotatable disc that is moved beneath the surface of the ground for the purpose of cultivating or for producing a sub-surface bed for placing flowable material such as seed or soil treating gas ...
10/13/1981
4291637Freely rotatable soil cultivating implements with liquid dispensing
A cultivating implement has rows of tined soil working members that are freely rotatable about upwardly extending shafts. Each soil working member has tines positioned around the shaft which defines its axis of rotation. At the lower end of the shaft, a c...
09/29/1981
4126186Soil cultivating implements
A cultivating implement has rows of rotatable soil working cultivating members that are mounted on beams extending transverse to the direction of travel, one behind the other. The members rotate about upwardly extending axes and can be positioned along th...
11/21/1978
4088196Soil cultivating implements
A cultivator implement has a row of freely rotatable soil working members connected to a transverse frame beam by brackets. The members each have a stub shaft secured to an inclined web of a corresponding bracket so that the axis of rotation of each membe...
05/09/1978
4086965Soil cultivating implements
A cultivator implement has two rows of freely rotatable, tined soil-working members connected to leading and rear transverse frame beams by respective brackets or plates. Each rotatable member is mounted for rotation on a corresponding stub shaft that def...
05/02/1978
3983943Soil cultivating implement combinations
A combination implement has a leading cultivator with fixed tines and a rear rotary harrow with driven soil working tined members. The cultivator has side ground wheels with vertical adjusting means that controls the working depths of the fixed tines. The...
10/05/1976
 
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