Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Nut-Lock.
Patent for a nut-lock that holds the nut more securely in place than previous ones. Used primarily in railroad joints, but can be used in a variety of other applications.
Date:
February 19, 1907
Creator:
Baldwin, John H.
System:
The Portal to Texas History
Hand Device For Operating Sewing Machines
Patent for a hand device for operating sewing machines. This invention relates to hand driven sewing machines. Illustrations included.
Date:
February 12, 1907
Creator:
Rapier, Mildred J.
System:
The Portal to Texas History