Learn more

HAEFLIGER WILLIAM W

Overview
  • Total Patents
    19
About

HAEFLIGER WILLIAM W has a total of 19 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets telecommunications, it methods for management and control are HALL FREDERICK WILLIAM, SMART TONE AUTHENTICATION INC and PROTEL INC.

Patent filings in countries

World map showing HAEFLIGER WILLIAM Ws patent filings in countries

Patent filings per year

Chart showing HAEFLIGER WILLIAM Ws patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Haefliger William W 10
#2 Crownover Joseph W 4
#3 Pangburn William E 3
#4 Mcdonald Henry H 2

Latest patents

Publication Filing date Title
US7463725B1 Telephone line use enablement of lottery or fund participation
US2005226397A1 Telephone line use enablement of lottery participation
CA2417586A1 Communication system
US4712552A Cushioned abrasive composite
US4572222A Use of flexible abrasive pad for wet etching of fingernails
US4459987A Flexible abrasive pad
US3302137A Torsional mode ceramic band-pass filter
US3155791A Twist responsive switch assembly
US3226490A Piezoelectric phonograph pickup
US3066708A Chain saw guide bar
US3073915A Stereophonic transducer means
US2803493A Automobile window sill cover
US2643399A Fabric retaining device
CA681100A Saw bar