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US Patent: 777,407
Combination Drafting Appliance
Patentee: Earl J. Early (exact or similar names) - Philadelphia, PA USPTO Classifications: 33/474 Tool Categories: layout tools : special purpose gauges Assignees: None Manufacturer: Unknown Witnesses: R. C. Wright William C. Stoever	Patent Dates: Applied: Feb. 04, 1904 Granted: Dec. 13, 1904 Patent Pictures: [ 1 | 2 | 3 | 4 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen
Description: Marked The Earl J Early Line-O-graph with the patent date. Made from a hard cardboard.

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