Revision history of "File:Patent-GB-1255389.pdf"

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  • (cur | prev) 01:27, 17 August 2019Piccardi (talk | contribs). . (368 bytes) (+368). . ({{PatentInfo |Inventor=Brook Arthur Denis |Assignee=Conway Stewart & Co. |Country=GB |ApplicationNum=29088/64 |ApplicationDate=1969-07-14 |PatentNum=1255389 |PatentDate=1971-12-01 |PriorityDate=1969-07-14 |Titolo=Improvements in and relating to a writ...)
Facts about "Patent-GB-1255389.pdf"
Application dateJuly 14, 1969 +
Application number29088/64 +
Assigned toConway Stewart & Co. +
Invented byBrook Arthur Denis +
Patent dateDecember 1, 1971 +
Patent descriptionPenna a sfera +
Patent number1255389 +
Patent titleImprovements in and relating to a writing instruments +
Patented byConway Stewart +
Patented inGB +
Priority dateJuly 14, 1969 +