18 Patents
#1 in Willowdale
#777 in Canada
#33,147 in the World
Datafile Limited
Forward Citations = 453
6 inventors:
6 inventors (with patents filed for the assignee):
Donald T Barber (12 out of 13 patents)
George B Pfeffer (5 out of 19 patents)
Dale L Anderson (3 out of 4 patents)
4. Erhard P Walter (2 out of 2 patents)
5. Thomas C Scrymgeour (1 out of 1 patent)
6. Esther E Olson (1 out of 1 patent)
18 patents:
#1 in Willowdale
#777 in Canada
#33,147 in the World
6 inventors: