UNT Libraries Government Documents Department - 3 Matching Results

Search Results

Results: 1 - 3

Journal-Bearing

Description: Patent for a self-lubricating journal bearing that is protected from foreign matter. Illustrations included.
Date: April 13, 1909
Creator: Lanaux, Alfred A.

Portable Press for Hay

Description: Patent for a portable press for hay. "My invention relates to portable hay and other presses, and has for its objects, first, an improved power-transmission and lever device for pressing or forcing the hay or other material into th box or frame of the press" (line 8-13). Illustration included.
Date: October 13, 1903
Creator: McKean, Frank

Rotary Drilling Apparatus.

Description: Patent for a rotary drilling mechanism for drilling wells, which has better vertical movement than other models.
Date: August 13, 1907
Creator: Wiggs, James A., Jr.
Back to Top of Screen