Invention Grant
- Patent Title: Door-check.
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Application No.: US1900035453Application Date: 1900-11-05
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Publication No.: US678889APublication Date: 1901-07-23
- Inventor: MALLORY GEORGE W
- Applicant: MALLORY GEORGE W
- Assignee: George W Mallory
- Current Assignee: George W Mallory
- Priority: US1900035453 1900-11-05
Information query
