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Canceling Stamp.

Description: Patent for a new and improved stamp canceler. This design utilizes a washer, flanges, and vertical slots "for the purpose of adjusting the roughened face of the head . . . so that the correct operation of the face is insured" (65-68). This represents an improvement over previous stamp cancelers.
Date: April 19, 1881
Creator: Grothaus, Frederick E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Seed Planter.

Description: Patent for a new and improved seed planter. This design "furnish[es] seed-planters for planting in hills or drills corn, sorghum, beans, rice, cotton, and other seeds, so constructed that the seed may be planted in any desired quantity, and at any desired distance apart, and with the rows at any desired distance apart" (lines 20-26).
Date: January 4, 1881
Creator: Holekamp, Julius
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Seed Planter.

Description: Patent for a new and improved seed planter. This design consists "[i]n a seed planter, [with a] seed-dropping cylinder . . . with a row of recesses around its middle part, and rows of different-sized recesses provided with adjustable gage-screws around its end parts, whereby different-sized seeds can be dropped by the same cylinder" (lines 67-74).
Date: June 14, 1881
Creator: Holekamp, Julius
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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