首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
Arc bit point for rock drills
摘要
申请公布号
US2358052(A)
申请公布日期
1944.09.12
申请号
US19420456419
申请日期
1942.08.27
申请人
BROWN PHILIP B
发明人
BROWN PHILIP B.
分类号
E21B10/36
主分类号
E21B10/36
代理机构
代理人
主权项
地址
您可能感兴趣的专利
STABILIZED IMMUNOGLOBULIN CONSTANT DOMAINS
MIT EINEM VERSETZTEN EINLASS- UND/ODER AUSLASSELEMENT AUSGESTATTETE FILTRIERUNGSEINHEIT FÜR EINE BIOLOGISCHE FLÜSSIGKEIT
REKONFIGURIERBARES WERKZEUGSYSTEM ZUM STÜTZEN VON WERKSTÜCKEN
TESTING/TRAINING VISUAL PERCEPTION SPEED AND/OR SPAN
TRANSMITTER FOR OPTICAL DATA TRANSFER HAVING A NON-LINEAR LIGHT SOURCE AND ASSOCIATED RECEIVER
ORGANIC PHOTOELECTRIC CONVERSION ELEMENT, SOLAR CELL USING SAME, AND OPTICAL SENSOR ARRAY
CONTAINER FOR SEGREGATING AND BLENDING MULTIPLE SEED TYPES
METHOD FOR PRODUCING GROUP III METAL NITRIDE SINGLE CRYSTAL
FOOD CUTTING BOARD
CAGE FOR A BALL BEARING AND METHOD FOR PRODUCING THE CAGE
AIR PURIFIER
SYNERGISTIC WELDING AND ELECTRODE SELECTION AND IDENTIFICATION DEVICES, SYSTEMS, AND METHODS
APPARATUS AND METHOD FOR MEASURING MULTI-PHASE FLUID FLOW
METHOD FOR MANUFACTURING A DECORATED PART WITH A RAISED PATTERN
LED PACKAGES WITH SCATTERING PARTICLE REGIONS
NOVEL HSP90-INHIBITING INDOLE DERIVATIVES, COMPOSITIONS CONTAINING SAID DERIVATIVES, AND USE THEREOF
PHARMACEUTICAL COMPOSITION FOR TREATMENT OF SIRS OR HIGHLY PATHOGENIC INFLUENZA INFECTION
CUTLERY BOX WHICH ACHIEVES SLOW-EATING AND WEIGHT-LOSS
RF ANTENNA FILTER AS A SENSOR FOR MEASURING A FLUID
GUANOSINE/GMP GELS AND USES THEREOF