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CA Patent: CA-196,597
Level device
Patentee:
Christopher F. Thullen (exact or similar names) - Chicago, IL

USPTO Classifications:

Tool Categories:
layout tools : levels

Assignees:
August A. F. Dreyer - Chicago, IL
Fred Ohde - Chicago, IL
Christopher F. Thullen - Chicago, IL

Manufacturer:
On-The-Dot Level Device - Chicago, IL

Witnesses:
Unknown
Patent Dates:
Granted: Jan. 27, 1920

Patent Pictures:
CIPO Data
Report data errors or omissions to steward Jeff Joslin
Description:
See U.S. patent 1,281,096.

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