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Патент USA US2385228

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Sept» 18» 1945-
J. E. OSTLINE
2,385,228
TELEPHONE SYSTEM
Filed Aug. 26, 1940
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INVENTOR
JOHN E OSTLINE
ATTORNEYS
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Sept. 18, 1945.
J. E. QSTLINE
2,385,228
TELEPHONE SYSTEM
Filed Aug. 26, 1940
28 Sheets-Sheet 2
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Sept. 18, 1945.
J. E. OSTLINE
2,385,228
TELEPHONE SYSTEM
Filed Aug. 26, 1940
28 Sheets-Sheet 4
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Sept. 18, 1945.
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Sept 18, 1945-
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Filed Aug. 26, 1940
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Sept. 18, 1945.
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2,385,228
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Filed Aug. 26, 1940
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JOHN E. OSTLINE
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Sept. 18, 1945.
J. E. osTLiNE
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28 Sheets-Sheet ll
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Sept- 18, 1945.
J. E. OSTLINE
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Filed Aug. 26, 1940'
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Sept- 18, 1945-
J. E. OSTLINE
TELEPHONE SYSTEM
Filed Aug. 26, 1940
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JOHN E. OSTLINE
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SePt- 18, 1945-
J. E. OSTLINE
2,385,228
TELEPHONE SYSTEM
Filed Aug. 26, 1949
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28 Sheets-Sheet 14
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Sept. 18, 1945.
J. E‘ OSTLINE
2,335,223
TELEPHONE SYSTEM
Filed Aug. 26, 1940
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Sept 18, 1945-
J. E. OSTLINE
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Sept. 18, 1945.
J. E. OSTLINE
2,385,228
TELEPHONE SYSTEM
Filed Aug. 26, 1940
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Sept. ‘18, E945.
J. E. OSTLINE
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TELEPHONE SYSTEM
Filed Aug. 26, 1940
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Sept, M, 1945.
.JVE. OSTLINE
2,385,228
TELEPHONE SYSTEM
Filed Aug. 26, 1940
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JOHN E. USTLINE
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Sept, 18,, 1945.
.1. E. OSTLINE
2,385,228
TELEPHONE SYSTEM
Filed Aug. 26, 1940
28 Sheets-Sheet 20
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