Author: Interior Department / Publish Year Decade: 1920 - 1929 - Blacklight Search Results

Start Over Author Interior Department Publish Year Decade 1920 - 1929

3511. Rules of practice in Patent Office.

Corporate/Agency Authors:: Patent Office and Interior Department
Publisher:: Patent Office
Date:: Revised Jan. 1, 1916. Reprint [with changes] Aug. 10, 1920, [reprinted] 1922

3512. Ruths, Johannes C. In Court of Appeals of District of Columbia, Jan. term, 1923, patent appeal no. 1550, in re Johannes Carl Ruths, improvement in power plants; brief for commissioner of patents.

Corporate/Agency Authors:: Patent Office and Interior Department
Publisher:: Patent Office
Date:: 1922

3513. Safety-lamps. Procedure for establishing list of permissible electric hand lamps, trip lamps, animal lamps, and rescue lamps for use in gaseous mines, fees, character of tests, and conditions under which tests and inspections will be made; [approved] Feb. 2, 1922.

Corporate/Agency Authors:: Mines Bureau and Interior Department
Publisher:: Mines Bureau
Date:: [1922.]

3514. Salaries of administrative officers and their assistants in school systems of cities of 25,000 inhabitants or more; by Walter S. Deffenbaugh.

Corporate/Agency Authors:: Education Bureau and Interior Department
Publisher:: Education Bureau
Date:: 1922

3515. Scheib, Peter H. In Court of Appeals of District of Columbia, Oct. term, 1922, patent appeal no. 1567, in re Peter H. Scheib, rock drill sharpeners; brief for commissioner of patents.

Corporate/Agency Authors:: Patent Office and Interior Department
Publisher:: Patent Office
Date:: 1922

3516. School funds. State policies in public school finance; by Fletcher Harper Swift.

Corporate/Agency Authors:: Education Bureau and Interior Department
Publisher:: Education Bureau
Date:: 1922

3517. School grounds and play [with bibliography]; by Henry S. Curtis.

Corporate/Agency Authors:: Education Bureau and Interior Department
Publisher:: Education Bureau
Date:: 1922

3518. School janitor, study of functions and administration of school janitor service [with bibliography]; by John Absalom Garber.

Corporate/Agency Authors:: Education Bureau and Interior Department
Publisher:: Education Bureau
Date:: 1922

3519. School life, v. 8, no. 1; Sept. 1922.

Corporate/Agency Authors:: Education Bureau and Interior Department
Publisher:: Education Bureau
Date:: [1922.]

3520. School life, v. 8, no. 2; Oct. 1922.

Corporate/Agency Authors:: Education Bureau and Interior Department
Publisher:: Education Bureau
Date:: [1922.]

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