Home| FAQ	Search:Advanced|Person|Company| Type|Class	Login

Quick search:	Patent number:	Patent Date:

CA Patent: CA-13,814
Improvement on first and intermediate drivers
Patentee: William Douglas Westman (exact or similar names) - Toronto, ON Canada USPTO Classifications: Tool Categories: industrial machines : industrial machine mechanisms : industrial machine pulleys and belt drive mechanisms Assignees: None Manufacturer: W. D. Westman - Toronto, ON Canada Witnesses: Unknown	Patent Dates: Applied: Dec. 10, 1881 Granted: Dec. 13, 1881 Patent Pictures: CIPO Data Espacenet patent Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for W. D. Westman
Description: This is actually an extension of patent CA-6,943 for an additional five years.

Copyright © 2002-2025 - DATAMP