U.S. Patent #:	5,518,352
Inventor :	Martin Lieggi

As attorney for the inventor of the innovative Improved Flat Head Relief Screw we are currently seeking manufacturing companies to license, purchase patent rights or enter into a royalty agreement for this timely invention.

The Improved Flat Head Relief Screw provides an improved relief screw for installing a wallboard panel to a stud. The design of the invention includes a wide flat flange as part of the flat head that will not damage the outer surface of the wallboard panel, while adding more support thereto.

Objects of the present invention:

• to provide an Improved Flat Head Relief Screw that includes a wide flat flange as part of its flat head, that will not damage the outer surface of the wallboard panel
  
  
• to provide an Improved Flat Head Relief Screw that is structured to allow particles of the wallboard panel to exit the flat head after the screw is driven therein, so that the flat head will sit flush with the outer surface of the wallboard panel
  
  
• to provide an Improved Flat Head Relief Screw that is simple and easy to use
  
  
• to provide an Improved Flat Head Relief Screw that is economical in cost to manufacture
  
  

Now for the first time this unique product is available for millions of potential users. To the accomplishment of the above and related objects, this invention may be embodied in the form illustrated in the accompanying drawings, attention being called to the fact, however, that the drawings are illustrative only, and that changes may be made in the specific construction illustrated and described within the scope of the appended claims.

LIST OF REFERENCE NUMERALS 10 standard flat head screw 40 second auger thread 12 piece of wallboard panel 42 first slotted curved teardrop shaped aperture 14 stud 44 second slotted curved teardrop shaped aperture 16 damage in the 12 caused by 10 46 first feathered recess 18 improved relief screw 48 second feathered recess 20 flat head of 18 50 long cross slot of 34 22 inverted rectilinear slant height frustum portion 52 short cross slot of 34 24 straight thin cylindrical portion A thickness 26 annular flange on 24 B height of upper segment of 22 28 elongated shank C height of lower segment of 22 30 conical point on 28 D diameter of wide part of 22 32 threads on 28 E diameter of 24 34 recess in 24 F length of 52 36 particles relieving structure G length of 50 38 first auger thread H depth of recess 34

PATENT DRAWINGS FIGURE 1 Figure 1 is a perspective view of the prior art being a standard flat head screw attaching a piece of wallboard panel to a stud. FIGURE 2 Figure 2 is a side cross sectional view with parts broken away of the piece of wallboard panel with the prior art therethrough. FIGURE 3 Figure 3 is a front view of the instant invention installed in a piece of wallboard panel. FIGURE 4 Figure 4 is a rear perspective view of the instant invention with a portion of the cylinder portion of the flat head broken away. FIGURE 5 Figure 5 is a front perspective view with parts broken away, of the invention attaching the piece of wallboard panel to a stud. FIGURE 6 Figure 6 is an enlarged elevational view of the flat head portion of the present invention. FIGURE 7 Figure 7a through 7h are both top and elevational views of the flat head portion, showing various rotational positions thereof. ADDITIONAL DRAWINGS

If you are interested in licensing, purchasing the rights to the above invention or entering into a royalty agreement please contact the office of Michael I. Kroll as follows:

Michael I. Kroll
171 Stillwell Lane
Syosset, New York 11791
Tel. #: 800-367-7774
Tel. #: 516-367-7777
Fax #: 800-367-7704
Fax #: 516-692-2787

E-Mail patent@invention.net