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CA Patent: CA-475,169
Safety valves
Patentee:
Theodore W. Bergquist (exact or similar names) - Willow Grove, PA

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: Jul. 10, 1951

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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