Franklin J. Carlson

📍 Okauchee, WI: #6 of 13 inventorsTop 50%

🗺 Wisconsin: #9,054 of 40,088 inventorsTop 25%

Overall (All Time): #1,064,374 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
4648740	Manhole lid seal	—	1987-03-10
4625881	Pressurized tank having resilient support	—	1986-12-02
4608787	Manhole seal construction	—	1986-09-02
4511055	Removable protective skirt for a tank	—	1985-04-16
4372458	Protective skirt assembly for a container	—	1983-02-08