Hans Emmer

EA Eltreva Ag: 4 patents #2 of 3Top 70%

Overall (All Time): #1,302,647 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4854098	Facade structure	—	1989-08-08
4809475	Facade system of metal sections	—	1989-03-07
4742658	Frame structure	—	1988-05-10
4704831	Facade wall	—	1987-11-10