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SHEAFFER WALTER A

Overview
  • Total Patents
    11
About

SHEAFFER WALTER A has a total of 11 patent applications. Its first patent ever was published in 1908. It filed its patents most often in United States and Canada. Its main competitors in its focus markets consumer goods and machines are AUTOPOINT CO, HAUTON PAUL S and HOGE MFG COMPANY.

Patent filings in countries

World map showing SHEAFFER WALTER As patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 1

Patent filings per year

Chart showing SHEAFFER WALTER As patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Consumer goods
#2 Machines

Top inventors

# Name Total Patents
#1 Sheaffer Walter A 11
#2 Sheaffer Craig R 1

Latest patents

Publication Filing date Title
US1641829A Combined fountain-pen rack and paper weight
US1531419A Pencil clip
US1554604A Pencil
US1284156A Pencil.
CA162131A Pen clip
US1085174A Pen-clip.
US1118240A Attachment for fountain-pens.
US1114052A Fountain-pen.
US1064098A Fountain-pen retainer.
US1046660A Fountain-pen attachment.
US896861A Fountain-pen.