US Patent: 360,545
|
Draftsman's Rule
|
Patentee:
|
|
Emanuel F. Wagner (exact or similar names) - Brooklyn, Kings County, NY |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Sep. 04, 1886 |
Granted: |
Apr. 05, 1887 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Joel Havens
|
Description: |
Claim:
A rule for use in drawing a number of uniformly-spaced lines, and consisting of two parts which intermatch so that the rule will have similar sides and can be reversed to present either side upward. |
|