Is the leader in hand engraving tool innovation. More about lindsay airgravers airgravers and sharpeners have a three week trial return and three year parts labor warranty.
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Patents by inventor steven james lindsay steven james lindsay has filed for patents to protect the following inventions.
Lindsay airgraver patent. The plate material is cold rolled steel. The carbalt graver was ground with the patented lindsay v grind configuration the same graver and point were used for the entire plate. With tools designed and made by a professional engraving artist lindsay engraving inc.
The lindsay airgraver is delivered with a foot pedal as standard equipment but within the last year steve has introduced the new optional patented palmcontrol unit. Lindsay airgraver palmcontrol handpieces lindsay gravers are made from surgical stainless steel. This is because the palmcontrol is intuitive and natural in the sense that what is done with your hand is what you get.
Infringement of the claims of this patent or any of the lindsay patents by competitor tool manufactures will be taken seriously. With eight patents since 2000 and numerous patents pending lindsay engraving provides tools that are making hand engraving easier and faster then ever before. There is no need to learn to coordinate continual foot movement to every hand movement.
The patented lindsay palmcontrol can increase the speed of learning compared to foot pedal engraving. This listing includes patent applications that are pending as well as patents that have already been granted by the united states patent and trademark office uspto. This demo steel plate was cut with a classic airgraver handpiece with a tungsten piston and foot control.
Replacing the standard end cap of the tool the palmcontrol has all the mechanical control wizardry built into it and eliminates the need for the foot pedal. The palmcontrol patent 6691798 protects a hand push pressure activated power tool used in the hand engraving and jewelry fields as described in one of the legal claims of patent that is provided below.
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