国家/地区 美国（2）
IPC部 A（3） C（2） F（2）
IPC大类 A63（3） C08（2）
IPC小类 A63B（3）
IPC A63B037/00（2）
发明人
公开年 2023（3）
申请年 2021（3）
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

Golf ball has core comprising polybutadiene material and graphene masterbatch, where graphene masterbatch material comprises graphene, and graphene masterbatch material mixed with carrier polymer, and ball further comprises inner mantle layer disposed over core.

BARTELS D, CHAVAN V