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Patent:US2699892


Patent:US 2699892
Title:Add-subtract calculating machine
Date:18.01.1955
Place:
Country:USA
Person:William Excell Arthur
Company:Powers Samas Account Mach Ltd
Internal Links:
Keywords:
Link to the patent office:
(without guarantee)
 US2699892 (espacenet),  US2699892 (uspto)

Revision as of 16:58, 18. Oct 2007 Revision as of 19:58, 3. Feb 2008
Line 3: Line -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]] )

Revision as of 19:58, 3. Feb 2008