13 Patents
#12 in Renton, WA
#501 in Washington
#23,104 in US
#43,644 in the World
Harper Engineering Company
Forward Citations = 30
3 inventors:
Renton, WA, United States of America
3 inventors (with patents filed for the assignee):
David Chadwell (9 out of 9 patents)
Richard J LaConte (9 out of 20 patents)
Ryan Funk (1 out of 1 patent)
4. Michael O Nebeker (3 patents)
13 patents:
#12 in Renton, WA
#501 in Washington
#23,104 in US
#43,644 in the World
3 inventors: