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Patent number:
Patent Date:
CA Patent: CA-647,730
Safety relief valve
Patentee:
Ronald V. Smith (
exact
or
similar
names) - Pennsauken, NJ
USPTO Classifications:
Tool Categories:
propulsion and energy
:
steam apparatus
:
steam safety valves
Assignees:
J. E. Lonergan Co.
- Philadelphia, PA
Manufacturer:
J. E. Lonergan Co.
- Philadelphia, PA
Witnesses:
Unknown
Patent Dates:
Granted:
Aug. 28, 1962
Patent Pictures:
CIPO Data
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for J. E. Lonergan Co.
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