Patents
.us
Search
Marketplace
Patent My Idea
Patents
/
Assignees
H J Fischer, LLC
3 patents in portfolio
US12529437
utility
2026
System and Method for Joining and Hanging Ducts
0 cites
US12130041
utility
2024
Duct Tie Rod and Method
0 cites
US11828393
utility
2023
System and Method for Joining and Hanging Ducts
0 cites