Gerhard Preisendörfer

R+ Rehau Ag +: 1 patents #37 of 135Top 30%

📍 Heusenstamm, DE: #39 of 116 inventorsTop 35%

Overall (All Time): #2,105,096 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7918486	Connector seal comprising rachet teeth	—	2011-04-05
4871180	Seal construction in bell and spigot type concrete pipe connection	—	1989-10-03