David Fortenbacher

📍 Muskegon, MI: #69 of 391 inventorsTop 20%

🗺 Michigan: #22,048 of 86,293 inventorsTop 30%

Overall (All Time): #1,166,971 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
10644364	Self-heating cells and self-heating batteries including the self-heating cells	—	2020-05-05
10495299	Superheater	—	2019-12-03
10397983	Water heating elements	—	2019-08-27
10292438	Heated garments	—	2019-05-21