US 11,865,421 B2
Graphene enhanced lacrosse head
Hamilton Sean Michael Whitney, Baltimore, MD (US); Gregory Lee Kenneally, Lutherville, MD (US); Chia-Jen Hsu, Dayton, OH (US); Bor Z. Jang, Dayton, OH (US); and Aruna Zhamu, Dayton, OH (US)
Assigned to EAST COAST DYES, INC., Towson, MD (US)
Filed by EAST COAST DYES, INC., Towson, MD (US)
Filed on Jul. 6, 2021, as Appl. No. 17/367,935.
Application 17/367,935 is a continuation of application No. 16/701,442, filed on Dec. 3, 2019, granted, now 11,090,538.
Claims priority of provisional application 62/779,878, filed on Dec. 14, 2018.
Prior Publication US 2021/0331049 A1, Oct. 28, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 59/20 (2015.01); A63B 60/42 (2015.01); A63B 102/14 (2015.01)
CPC A63B 59/20 (2015.10) [A63B 60/42 (2015.10); A63B 2102/14 (2015.10); A63B 2209/00 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A lacrosse head comprising:
opposing sidewalls joined at one end by a throat, the sidewalls diverging generally outwardly, and the sidewalls being connected at another end by a scoop, wherein the lacrosse head comprises a blend of different nylon polymers and 0.05% to 7% graphene, and wherein the lacrosse head can withstand more than 100 impacts prior to failure, wherein the lacrosse head has attained a kinetic energy of 25 Joules to 55 Joules, prior to each impact.