BR8200405A - OPTICAL GRID - Google Patents

OPTICAL GRID

Info

Publication number
BR8200405A
BR8200405A BR8200405A BR8200405A BR8200405A BR 8200405 A BR8200405 A BR 8200405A BR 8200405 A BR8200405 A BR 8200405A BR 8200405 A BR8200405 A BR 8200405A BR 8200405 A BR8200405 A BR 8200405A
Authority
BR
Brazil
Prior art keywords
optical grid
grid
optical
Prior art date
Application number
BR8200405A
Other languages
Portuguese (pt)
Inventor
Munoz Miguel Salia
Original Assignee
Munoz Miguel Salia
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Munoz Miguel Salia filed Critical Munoz Miguel Salia
Publication of BR8200405A publication Critical patent/BR8200405A/en

Links

BR8200405A 1981-01-23 1982-01-22 OPTICAL GRID BR8200405A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MX18566781A MX158187A (en) 1981-01-23 1981-01-23 IMPROVEMENTS IN GRID CORRECTOR OF OPTICAL ABERRATIONS

Publications (1)

Publication Number Publication Date
BR8200405A true BR8200405A (en) 1982-11-30

Family

ID=19747481

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8200405A BR8200405A (en) 1981-01-23 1982-01-22 OPTICAL GRID

Country Status (4)

Country Link
JP (1) JPS57158828A (en)
BR (1) BR8200405A (en)
ES (1) ES8302920A1 (en)
MX (1) MX158187A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6474526A (en) * 1987-09-17 1989-03-20 Shiyuuhou Kk Seeing through optical member
KR101841717B1 (en) * 2016-11-18 2018-03-23 양원종 An optical device for recovering eyesight
KR102096537B1 (en) * 2018-11-01 2020-04-02 황두원 Pinhole glasses

Also Published As

Publication number Publication date
ES509018A0 (en) 1983-02-01
JPH0157889B2 (en) 1989-12-07
ES8302920A1 (en) 1983-02-01
JPS57158828A (en) 1982-09-30
MX158187A (en) 1989-01-16

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Legal Events

Date Code Title Description
B21A Expiry acc. art. 78, item i of ipl- expiry of the term of protection

Free format text: PATENTE EXTINTA EM 22/01/97