1874
the year 1948
1890
W. B. Purvis in well known for the invention of the fountain pen. He also patented several improvements to his important invention.
When was Walter B. Purvis born
ALSTON W. PURVIS has written: 'DUTCH GRAPHIC DESIGN: A CENTURY OF INNOVATION'
There is no historic record of W. B. Purvis except that he was an African-American inventor who filed numerous patents with the US Patent Office between 1884 and 1897, including an improved form of the fountain pen.
Likely in the 1850's. There is no historic record of W. B. Purvis except that he was an African-American inventor who filed numerous patents with the US Patent Office between 1884 and 1897, including an improved form of the fountain pen.
Likely in the 1850's. There is no historic record of W. B. Purvis except that he was an African-American inventor who filed numerous patents with the US Patent Office between 1884 and 1897, including an improved form of the fountain pen.
O. W. Purvis has written: 'Checklist of lichens of Great Britain and Ireland' -- subject(s): Lichens
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Lunch Pail