Drilldown: Patents

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Patents > Year filed: 1900 - 1909 & Office : GR or US & Tech fields: frame & Patent agent : C. A. Knowles or None

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Office: (Click arrow to add another value)
Inventors:
Frederick Brackett (2) · Joseph Allison Steinmetz (2) · Israel Lancaster (2) · Johann Schütte (2)
Inventor country:
Applicant person:
None (15) · Johann Schütte (2) · Joseph Allison Steinmetz (2) · Israel Lancaster (2) · Frederick Brackett (2)
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Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (9)
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Publication date:
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National tech categories:
USPC 244/11 (4) · USPC 244/23R (4) · USPC 244/28 (3) · USPC 244/66 (3) · USPC 244/13 (3) · None (2) · USPC 244/153R (2) · USPC 244/63 (2) · USPC 244/35R (2) · USPC 244/64 (2) · USPC 244/30 (2) · USPC 244/22 (2) · USPC 244/93 (2) · USPC 244/200 (2) · USPC 244/48 (2) · USPC 416/123 (2) · USPC 244/127 (2) · USPC 244/131 (2)
First filing:
Cites these patents:
Citations from after 1930:

Showing below up to 68 results in range #1 to #68.

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