3 Patents
#27 in Cambridge
#4,251 in Canada
3l Filters Ltd.
Forward Citations = 106
4 inventors:
4 inventors (with patents filed for the assignee):
William M Maser (2 out of 2 patents)
Frank E Heywood (2 out of 2 patents)
George T Foss (2 out of 2 patents)
4. Gennady Krylov (1 out of 1 patent)
3 patents: