Collection
Counties
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Improvement in Plows.
Patent for an improved plow to turn and reverse the mold-board by using a single bolt to secure the reversible mold-board onto the stock of a plow.
Date:
May 15, 1860
Creator:
Pitts, William C.
System:
The Portal to Texas History
Improvement in Seed-Planters.
Patent for the improvement of planting seeds using a single seed-slide and double tubes from seed box to distribute seeds to planting point in a more direct route than other seed-planters, including illustration.
Date:
May 15, 1860
Creator:
Pitts, W. C.
System:
The Portal to Texas History
File-Wrapper and Package Fastener.
Patent for securing expansible envelopes and file wrappers with a flexible cord.
Date:
May 15, 1900
Creator:
Davis, Frederick Clarke
System:
The Portal to Texas History