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Patents > Tech fields : lift or safety & IPCs : IPC B64C27/04 or None & Number of claims: 8-60

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Inventors:
Jean Francis Webb (3) · Burt Jackson Pressey (2) · Richard Wilcke (2) · Reinhold Schmiechen (2) · George Raymond Lawrence (2) · Eugene F. Falconnet (2) · Adalbert Placek (2) · Albert Graff (2)
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Applicant person:
None (14) · Eugene F. Falconnet (2) · Reinhold Schmiechen (2) · Jean Francis Webb, Sr. (2) · Adalbert Plaček (2) · William Phillips Thompson (2) · Burt Jackson Pressey (2)
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None (12) · USPC 244/139 (5) · AU 90.3 (4) · HU V/h (4) · CH 129b (3) · USPC 244/119 (3) · AU 90.5 (2) · AU 90.1 (2) · USPC 244/96 (2) · USPC 244/904 (2) · USPC 244/80 (2)
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