Inventor

SIEWERT BRYAN

US3 patents

⚠️ This page may combine multiple inventors who share the name “SIEWERT BRYAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GIERAS JACEK F

2 patents

US8201665B2Jun 19, 2012

Magnetic door coupling device for an elevator system

GIERAS JACEK F3 citations60

US8424652B2Apr 23, 2013

Electromagnet and elevator door coupler

GIERAS JACEK F0 citations49

ZACCHIO JOSEPH

1 patent

US8904708B2Dec 9, 2014

Door zone protection

ZACCHIO JOSEPH20 citations86