CH74147A - screwdriver - Google Patents
screwdriverInfo
- Publication number
- CH74147A CH74147A CH74147A CH74147DA CH74147A CH 74147 A CH74147 A CH 74147A CH 74147 A CH74147 A CH 74147A CH 74147D A CH74147D A CH 74147DA CH 74147 A CH74147 A CH 74147A
- Authority
- CH
- Switzerland
- Prior art keywords
- screwdriver
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH74147T | 1916-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH74147A true CH74147A (en) | 1917-01-16 |
Family
ID=4324753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH74147A CH74147A (en) | 1916-09-25 | 1916-09-25 | screwdriver |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH74147A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2556395A (en) * | 1947-12-19 | 1951-06-12 | Charles O Maclean | Expansible bit screw driver |
-
1916
- 1916-09-25 CH CH74147A patent/CH74147A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2556395A (en) * | 1947-12-19 | 1951-06-12 | Charles O Maclean | Expansible bit screw driver |
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