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US Patent: 2,500,787
Fluid Fuel Burner Apparatus for Effecting Diffusion Combustion
Patentee:
William Lelgemann (exact or similar names) - Grill, Cumru Township, Berks County, PA

USPTO Classifications:
431/175, 431/185, 431/187, 431/264, 431/265

Tool Categories:
propulsion and energy : steam apparatus : stationary boilers

Assignees:
Orr & Sembower, Inc. - Reading, Berks County, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 15, 1944
Granted: Mar. 14, 1950

Patent Pictures:
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