1
Louis Grace Jr, Nathaniel E Grace: Mechanical broadhead with sliding blades. G5 Outdoors L L C, Harness Dickey & Pierce, August 30, 2005: US06935976 (46 worldwide citation)

The present invention provides a mechanical broadhead in which the blades slide within longitudinal channels formed in the ferrule. The blade includes a transverse boss extending from the flanks which are received in a channel formed in the ferrule. A camming surface formed on the inward edge of the ...


2
Louis Grace Jr, Nathaniel G Grace: Expanding-blade archery broadhead. Harness Dickey & Pierce, July 22, 2003: US06595881 (43 worldwide citation)

The present invention relates generally to an expanding-blade broadhead having a ferrule, a plurality of cutting blades pivotally coupled to the ferrule and a retaining collar releasably securing the cutting blades to the ferrule. The ferrule is formed with an integral boss which pivotally supports ...


3
Louis Grace Jr, Nathaniel G Grace, Matthew L Grace: Broadhead and method of manufacture. Harnes Dickey & Pierce, September 18, 2001: US06290903 (35 worldwide citation)

The present invention relates generally to a monolithic broadhead including a ferrule and a blade having a tapered cross-section. The ferrule is formed with a threaded portion for attaching the broadhead to an arrow shaft in a conventional manner. Through the use of powdered metallurgy, the blade ma ...


4
Louis Grace Jr, Nathaniel E Grace: Drop-away arrow rest. Grace Engineering, Warner Norcross & Judd, October 6, 2009: US07597095 (19 worldwide citation)

A drop-away arrow rest including an arrow support that rotates in a vertical plane about a horizontal axis parallel to of a supported arrow. The rest can include a bias member and a connector joined with an upward moving bowstring portion and/or a downward moving bowstring portion. The bias member u ...


5
Louis Grace Jr: Method of manufacturing a sliding blade broadhead. Steve M Clemmons, Charles W Chandler, June 26, 2007: US07234220 (17 worldwide citation)

The present invention provides a mechanical broadhead in which the blades slide within longitudinal channels that are formed in the ferrule. The blade is formed having a transverse boss extending from the flanks which are received in a channel formed in the ferrule. A camming surface is formed on th ...


6
Louis Grace Jr, Nathaniel G Grace: Method of manufacturing an archery broadhead with sintered components. G5 Outdoors, Harness Dickey & Pierce, June 15, 2004: US06749801 (14 worldwide citation)

The present invention relates generally to an expanding-blade broadhead having a ferrule, a plurality of cutting blades pivotally coupled to the ferrule and a retaining collar releasably securing the cutting blades to the ferrule. The ferrule is formed with an integral boss which pivotally supports ...


7
Nathaniel E Grace, Louis Grace Jr, Kyle B Stokes: Cable guard and guides for archery bows. Grace Engineering, Warner Norcross & Judd, February 12, 2013: US08371283 (13 worldwide citation)

An archery bow includes a cable guard and an optional cable guide that holds a cable of the bow away from a plane in which a bowstring of the bow moves. The cable guard can define a bore, through which the cable is positioned, extending generally parallel to the bowstring when the bowstring is in an ...


8
Louis Grace Jr, Nathaniel E Grace: Aerodynamic improvements to archery broadheads. G5 Outdoors L L C, Harness Dickey & Pierce, February 14, 2006: US06997827 (12 worldwide citation)

The present is directed to a specific broadhead configuration for reducing the turbulence generated by a broadhead in flight, thereby reducing the resulting wind noise and aerodynamic drag generated in flight. The aerodynamic improvements to the archery broadhead are accomplished by providing edge t ...


9
Louis Grace Jr: Edge sharpener. G5 Outdoors L L C, Harness Dickey & Pierce, November 16, 2004: US06817269 (12 worldwide citation)

An edge sharpener for various implements is provided. The edge sharpener includes a sharpener body having a pair of sharpening elements secured to a sharpener body in a fixed angular relationship. The sharpening elements are moveable along this fixed angular relationship to provide a fresh sharpenin ...


10
Louis Grace Jr: Peep sight and related method of manufacture. Grace Engineering, Warner Norcross & Judd, June 9, 2009: US07543389 (10 worldwide citation)

A peep sight for an archery bow. The peep sight can define a peep aperture bounded by a curvilinear bulge optionally constructed from magnesium or a magnesium alloy. The peep sight bulge can circumferentiate the peep aperture, and can form an apex about midway between a forward surface and a rearwar ...