Walter A. Bretz

📍 Nevada City, CA: #53 of 174 inventorsTop 35%

🗺 California: #149,087 of 386,348 inventorsTop 40%

Overall (All Time): #1,407,712 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
11351583	Method for bioremediation of heavy metal contaminated soil	—	2022-06-07
11235012	Combination and use of red propolis and red algae	—	2022-02-01
10285929	Composition for promoting oral and general health and method for forming and using the same	—	2019-05-14