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公开(公告)号:US2333430A
公开(公告)日:1943-11-02
申请号:US34450040
申请日:1940-07-09
Applicant: DENTISTS SUPPLY CO
Inventor: WILLIAM LEE PYUNGTOO , CHARLES DIETZ
IPC: A61K6/027
CPC classification number: A61K6/0625
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公开(公告)号:US2293909A
公开(公告)日:1942-08-25
申请号:US32498640
申请日:1940-03-20
Applicant: DENTISTS SUPPLY CO
Inventor: WILLIAM LEE PYUNGTOO , CHARLES DIETZ
CPC classification number: A61C13/04
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3.All ceramic denture base with teeth, process, and materials for producing same 失效
Title translation: 所有陶瓷假牙座具有牙齿,工艺和生产材料公开(公告)号:US2293908A
公开(公告)日:1942-08-25
申请号:US27664439
申请日:1939-05-31
Applicant: DENTISTS SUPPLY CO
Inventor: WILLIAM LEE PYUNGTOO , CHARLES DIETZ
IPC: A61K6/06
CPC classification number: A61K6/0205
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4.Process of manufacturing nonshatterable vitreous denture bases 失效
Title translation: 制造不可粉碎的玻璃体假牙基底的工艺公开(公告)号:US2256344A
公开(公告)日:1941-09-16
申请号:US24748238
申请日:1938-12-23
Applicant: DENTISTS SUPPLY CO
Inventor: WILLIAM LEE PYUNGTOO
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公开(公告)号:US2341998A
公开(公告)日:1944-02-15
申请号:US34450140
申请日:1940-07-09
Applicant: DENTISTS SUPPLY CO
Inventor: WILLIAM LEE PYUNGTOO , CHARLES DIETZ
IPC: A61K6/06
CPC classification number: A61K6/06
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6.Method of preventing pressure strains on invested articles during molding 失效
Title translation: 防止成型时投入物品压力变形的方法公开(公告)号:US2228059A
公开(公告)日:1941-01-07
申请号:US24748338
申请日:1938-12-23
Applicant: DENTISTS SUPPLY CO
Inventor: WILLIAM LEE PYUNGTOO
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公开(公告)号:US2897595A
公开(公告)日:1959-08-04
申请号:US58204156
申请日:1956-05-01
Applicant: DENTISTS SUPPLY CO
Inventor: WILLIAM LEE PYUNGTOO
CPC classification number: A61K6/0008 , A61K6/0091 , A61K6/0215 , C03C4/00
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公开(公告)号:US2895050A
公开(公告)日:1959-07-14
申请号:US58127456
申请日:1956-04-30
Applicant: DENTISTS SUPPLY CO
Inventor: WILLIAM LEE PYUNGTOO , GEORG MULLER
IPC: A61C13/083 , A61K6/06
CPC classification number: A61C13/083 , A61K6/0094 , A61K6/021 , A61K6/0215
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9.Porcelain type denture composition and method of preparing the same 失效
Title translation: 瓷型义齿组合物及其制备方法公开(公告)号:US2443318A
公开(公告)日:1948-06-15
申请号:US55012644
申请日:1944-08-18
Applicant: DENTISTS SUPPLY CO
Inventor: WILLIAM LEE PYUNGTOO , CHARLES DIETZ
CPC classification number: A61K6/0094 , A61K6/0215 , C04B35/14
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