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Patents > Tech fields : pulleys or safety & Number of text pages: 4-5

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Inventors:
Jean Francis Webb (4) · William Whitney Christmas (2) · Albert Graff (2) · Nazaire Lacrotte (2) · William Andrew Hutson (2) · Ralph Hazlett Upson (2) · Joseph Wetterwald (2) · Dane Hurlburt (2) · Richard Wilcke (2) · Eugene F. Falconnet (2)
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None (13) · Jean Francis Webb, Sr. (3) · Dane Hurlburt (2) · Joseph Wetterwald (2) · Richard Wilcke (2) · Eugene F. Falconnet (2)
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None (12) · Wheatley & Mackenzie (2) · Watson E. Coleman (2) · Marks & Clerk (2) · D. W. Glassie (2) · 0 (2)
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