4 Patents
#13 in Springfield, MA
#3,235 in Massachusetts
#58,991 in US
United States Envelope Company
Forward Citations = 141
4 inventors:
Springfield, MA, United States of America
4 inventors (with patents filed for the assignee):
Wilfred H Gendron (2 out of 12 patents)
Robert E Lafler (1 out of 13 patents)
Egil A Andersen (1 out of 1 patent)
4. Joseph M Murphy (1 out of 10 patents)
4 patents:
#13 in Springfield, MA
#3,235 in Massachusetts
#58,991 in US
4 inventors: