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Inventor file

William H. Douty

This profile groups 5 patent entries associated with William H. Douty. It does not add biographical claims beyond the cataloged patent facts.

1878US210679A
Consumer / Household
Improvement in Holders for Wrapping-Paper
1879US213401A
Consumer / Household
Improvement in Removable Book-Covers
1879US215049A
Consumer / Household
Improvement in Holders for Paper Bags
1879US215895A
Consumer / Household
Improvement in Skids
1893US490192A
Rail / Transportation
Block Signaling System and Apparatus for Railways