Megaphone,申请号US19290380981-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Megaphone
摘要
申请公布号	US1767358(A)	申请公布日期	1930.06.24
申请号	US19290380981	申请日期	1929.07.25
申请人	GOTTSHALL TYLER B	发明人	GOTTSHALL TYLER B.
分类号	G10K11/08	主分类号	G10K11/08
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Circuit d'épreuve bipolaire à action rapide

Appareil respiratoire à circuits de débit d'air et d'équilibrage distincts

Perfectionnements aux suspensions élastiques pour véhicules

Improvements in or relating to turbines

Improvements in or relating to oscillation generating apparatus

Improvements in or relating to processes for making articles from bonded fibrous material

Improvements in and relating to exfoliated vermiculite

Improvements in or relating to a tie for concrete forms

Process for the separation of l-glutamic acid from a solution which has been obtained by alkaline hydrolysis of pyrrolidone carboxylic acid

Improvements relating to electrical computing apparatus

Improvements in pipe couplings for steam heating installations, in particular for rail vehicles

Improvements in household appliances for the preparation of hot beverages

FREIFLUSS-ABLAUFHAHN.

BODENBEARBEITUNGSGERAET.

TRAGBARE PROJEKTIONSWAND.

LICHTSTARKES GAUSS-DOPPELOBJEKTIV.

FLASCHE MIT GIESSKORKENHALTER.

SICHERUNGSVORRICHTUNG GEGEN DIEBSTAHL VON KRAFTFAHRZEUGEN.

VERKAUFSTISCH FUER LADENGESCHAEFT, INSBESONDERE THEKENTISCH.

MELKEIMER AUS KUNSTSTOFF.