US Patent: 641,681 - Dust-collector


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US Patent: 641,681

Dust-collector

Patentee:

Emil R. Draver (exact or similar names) - Stillwater, MN

USPTO Classifications:

55/287

Tool Categories:

Assignees:

Emil R. Draver - Stillwater, MN

Marie L. Draver - Stillwater, MN

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Granted:	Jan. 23, 1900

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Draver Mfg. Co.

Description:

"By mesne assignments": rather unusual for assignment to a relative. The most likely scenario is that the original assignee died and so the assignment went to the widow.