Pennsylvania
Department of State
JOHN X CALLAHAN
Professional Engineer
License number
PE004569E
Date granted
08/16/1957
Date expires
11/30/1982
Class
Professional Engineer
Status
Deceased
Address
WILKES BARRE PA 18702
palicensing.org
ID 16576616
LAST UPDATED 2026-07-15 15:54:10 UTC
LAST UPDATED 2026-07-15 15:54:10 UTC
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