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Grant DatePatent Number
1917-11-271,247,612
1917-11-271,247,718
1917-11-271,247,856
1917-11-271,247,986
1917-11-271,247,997
1917-11-271,248,060
1917-11-271,248,082
1917-11-271,248,193
1917-11-271,248,307
1917-11-271,248,308
1917-11-271,248,309
1917-11-271,248,336
1917-11-271,248,401
1917-11-271,248,424