CA530408A - Magnetic bi-focal lens holder - Google Patents
Magnetic bi-focal lens holderInfo
- Publication number
- CA530408A CA530408A CA530408A CA530408DA CA530408A CA 530408 A CA530408 A CA 530408A CA 530408 A CA530408 A CA 530408A CA 530408D A CA530408D A CA 530408DA CA 530408 A CA530408 A CA 530408A
- Authority
- CA
- Canada
- Prior art keywords
- magnetic
- lens holder
- focal lens
- focal
- holder
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA530408T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA530408A true CA530408A (en) | 1956-09-18 |
Family
ID=35684162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA530408A Expired CA530408A (en) | Magnetic bi-focal lens holder |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA530408A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4761196A (en) * | 1987-01-02 | 1988-08-02 | Brown Hugh L | Method for overcoming optical deficiencies of shooters |
-
0
- CA CA530408A patent/CA530408A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4761196A (en) * | 1987-01-02 | 1988-08-02 | Brown Hugh L | Method for overcoming optical deficiencies of shooters |
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