Patent:US2699892

Brevetto:	US 2699892
Titolo:	Add-subtract calculating machine
Data:	18.01.1955
Luogo:
Nazione:	Stati Uniti
Persona:	William Excell Arthur
Ditta:	Powers Samas Account Mach Ltd
Link interni:
Keywords:
Link al brevetto: (without guarantee)	US2699892 (espacenet), US2699892 (uspto)

Revisione 16:58, 18. Ott 2007		Revisione 19:58, 3. Feb 2008
Riga 3:		Riga -1:
	* TITEL: Add-subtract calculating machine		* TITEL: Add-subtract calculating machine
	* PERSON: POWERS SAMAS ACCOUNT MACH LTD		* PERSON: POWERS SAMAS ACCOUNT MACH LTD
		+	*Patent Family: ( [[Patent:CH303840]], [[Patent:FR1051559]], [[Patent:GB703764]], [[Patent:NL166569B]], [[Patent:US2699892]] )

Revisione 19:58, 3. Feb 2008

DATUM: 18.01.1955
TITEL: Add-subtract calculating machine
PERSON: POWERS SAMAS ACCOUNT MACH LTD
Patent Family: ( Patent:CH303840, Patent:FR1051559, Patent:GB703764, Patent:NL166569B, Patent:US2699892 )