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- PATENT NUMBER 17,847.
- PATENT NUMBER 17,847. PAGE 1.
- PATENT NUMBER 17,847. PAGE 2.
- PATENT NUMBER 17,847. PAGE 3.
- PATENT NUMBER 17,847. DRAWING NUMBER 2.
- PATENT NUMBER 307,759.
- PATENT NUMBER 307,759.
- PATENT NUMBER 307,759.
- PATENT NUMBER 307,759.
- PATENT NUMBER 307,759.
- Patent number 341,577. 1
- Patent number 341,577. 2
- Patent number 341,577. 3.
- Patent number 341,577. Sheet 2.
- Patent number 341,577. Sheet 3.