IP Library › Granted Patent US 5,323,448
Granted Patent Utility
US 5,323,448 · App. 08/029,851

System for accessing amenities through a public telephone network

Inventors: Lawrence R. Biggs, Jr., Harry S. Budow
Patented Case View Patent ↗
Granted: Jun 21, 1994 Filed: Mar 11, 1993
Inventors
Lawrence R. Biggs, Jr.
Harry S. Budow
Assignee (at issue)
Spectradyne LLC

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Quick Facts
Patent No.
US 5,323,448
App. No.
08/029,851
Filed
1993-03-11
Granted
1994-06-21
Kind
A