Index:Patent for Voting Mechanism US948757.pdf

TitlePatent for Voting Mechanism US948757
AuthorMark Ashley Dees
Year1910
PublisherUNITED STATES PATENT OFFICE.
LocationWASHINGTON, DISTRICT OF COLUMBIA.
Sourcepdf
ProgressTo be proofread
TransclusionIndex not transcluded or unreviewed
Pages (key to Page Status)