Inventor

PALMER CHARLES A

US4 patents

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

CENTURYLINK IP LLC

2 patents

US9264299B1Feb 16, 2016

Transparent PSTN failover

CENTURYLINK IP LLC18 citations85

US9866429B2Jan 9, 2018

Transparent PSTN failover

CENTURYLINK IP LLC0 citations45

PALMER CHARLES A

1 patent

US9025438B1May 5, 2015

System and method for communication failover

PALMER CHARLES A15 citations72

METCRAFT INC

1 patent

US5628490AMay 13, 1997

Control valve with pneumatic actuation

METCRAFT INC14 citations62