Inventor

NIGHTINGALE GREGORY A

US3 patents

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

VIRTUAL HOLD TECHNOLOGY LLC

2 patents

US6563921B1May 13, 2003

Automatic call director first in first out accessory

VIRTUAL HOLD TECHNOLOGY LLC87 citations95

US6754334B2Jun 22, 2004

Automatic call director first in first out accessory

VIRTUAL HOLD TECHNOLOGY LLC52 citations90

(unassigned)

1 patent

US5627884AMay 6, 1997

Method for returning inbound calls

205 citations93