US Patent: 2,698,484
|
Rule Trammel
|
Patentees:
|
Fred Schwarzer (exact or similar names) - Pottstown, PA |
Charles R. Zern (exact or similar names) - Pottstown, PA |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Feb. 18, 1954 |
Granted: |
Jan. 04, 1955 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Ralph Brendler
|
Description: |
This is an attachment for a zig-zag rule to allow it to be used as a
trammel.
|
|