Resource Type
Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Telephone Or Switchboard Plug
Patent for a telephone or switchboard plug. "This invention relates to improvements in connecting plugs adapted to be used with spring jacks of telephone switchboards" (line 8-11). Illustrations included.
Date:
November 27, 1906
Creator:
Dozier, Alva Battie
System:
The Portal to Texas History
Planting Attachment For Cultivators.
Patent for certain new and useful improvements in corn and cotton planting attachments for cultivators, including instructions and illustrations.
Date:
February 27, 1900
Creator:
Weddle, John Crit
System:
The Portal to Texas History