国家/地区 美国（3） 世界知识产权组织（3）
IPC部 A（4）
IPC大类 A63（4） A41（2） C08（2）
F41（2） F42（2）
IPC小类 A63B（4）
IPC
发明人
公开年 2023（2）
申请年 2021（2） 
专利权人

Archery arm guard for sport of archery, has slap strap that that is operable to quickly snap from straight configuration to annular configuration to encircle around forearm of user to secure guard plate on forearm.

THURLOW M

Ball used as airsoft ammunition, comprises biodegradable polymer and additives, such as electrostatic charge eliminating additive, density increasing additive, and/or strength/hardness modifying additive added to polymer mass during compounding stage.

VYYRYLAEINEN S

Head apparatus, has structure provided with opening, and light source comprising graphene elements, where light source is positioned to structure, and arranged on at portions of structure that is provided with shell.

HARRIS M A

Sporting equipment e.g. fishing rod has several prepreg layers which are applied and pressed together in alternate layers of graphene-resin mixture and fiber cloth and then shaped to form component.

MILLER G, MILLER V, TSENG C K