FR504227A - Improvements made to automatic calculating devices - Google Patents

Improvements made to automatic calculating devices

Info

Publication number
FR504227A
FR504227A FR504227DA FR504227A FR 504227 A FR504227 A FR 504227A FR 504227D A FR504227D A FR 504227DA FR 504227 A FR504227 A FR 504227A
Authority
FR
France
Prior art keywords
improvements made
automatic calculating
calculating devices
automatic
devices
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Inventor
Robert Virgil Morse
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR504227A publication Critical patent/FR504227A/en
Expired legal-status Critical Current

Links

FR504227D 1917-09-13 1919-09-25 Improvements made to automatic calculating devices Expired FR504227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US504227XA 1917-09-13 1917-09-13

Publications (1)

Publication Number Publication Date
FR504227A true FR504227A (en) 1920-06-28

Family

ID=43352131

Family Applications (1)

Application Number Title Priority Date Filing Date
FR504227D Expired FR504227A (en) 1917-09-13 1919-09-25 Improvements made to automatic calculating devices

Country Status (1)

Country Link
FR (1) FR504227A (en)

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