4 Patents
#1 in Henderson
#198 in New Zealand
Butler Concepts Limited
Forward Citations = 11
5 inventors:
5 inventors (with patents filed for the assignee):
Paul Francis Zwaan (3 out of 8 patents)
Michael Freeman (3 out of 6 patents)
Patricia Margaret Butler (3 out of 6 patents)
4. Raymond Thomas Butler (3 out of 6 patents)
5. David C Sutphen (1 out of 1 patent)
4 patents:
#1 in Henderson
#198 in New Zealand
5 inventors: