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US Patent: 2,405,866
Electrical heating apparatus
Patentee:
Carl E. Weller - Easton, PA

USPTO Classifications:
219/233, 219/235, 219/240

Tool Categories:
specialty tools : soldering irons

Assignees:
None

Manufacturer:
Weller Electric Corp. - Easton, PA
Weller Manufacturing Co. - Easton, PA

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 14, 1941
Granted: Aug. 13, 1946

Reissue Information:
Reissued as RE23,619 (Feb. 10, 1953)

Patent Pictures:
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"Vintage Machinery" entry for Weller Electric Corp.
Description:
The amateurish patent drawing might mislead you into thinking this is an unimportant patent. But this is the original soldering-gun patent where the soldering tip is also the resistive heating element. The inventor's timing was exquisite: he began manufacturing his invention right at the advent of commercial television which created an enormous demand for electronics manufacture and repair. The inventor's business was enormously successful, made a lot of money, and saved countless hours that would have been spent waiting for the old-style soldering irons to heat up. Weller's invention got the tip to soldering temperature in the time it took to squeeze the trigger and bring the tip to the work.

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