John R. Koetje

📍 Mount Vernon, WA: #17 of 98 inventorsTop 20%

🗺 Washington: #27,877 of 76,902 inventorsTop 40%

Overall (All Time): #1,671,172 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4845877	Line connector	—	1989-07-11
4693031	Line connector	—	1987-09-15
4532747	Expandable connector and method of using same to form curved structural framework	—	1985-08-06