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Patent number:
Patent Date:
US Patent: 723,041
Compass
Improved Compass Joint
Patentee:
Wilhelm Schwarzer (
exact
or
similar
names) - Nuremburg, Germany
USPTO Classifications:
33/558.5
Tool Categories:
layout tools
:
compasses
Assignees:
Georg Schoenner
- Nuremburg, Germany
Manufacturer:
Georg Schoenner
- Nuremburg, Germany
Witnesses:
Oscar Bock
Andreas Stich
Ella L. Giles
Otto Brunner
Patent Dates:
Applied:
Mar. 13, 1901
Granted:
Mar. 17, 1903
Patent Pictures:
USPTO
(New site tip)
Google Patents
Report data errors or omissions to steward Ralph Brendler
Description:
This compass joint design automatically keeps the handle aligned with the axis of rotation for the compass.
Known examples are marked "Schoenner Germany" and with the patent date
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