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Palco Telecom Inc.
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Nashville, TN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Electronic trigger for prepay type telephone paystations
Patent number
4,988,860
Issue date
Jan 29, 1991
Palco Telecom Inc.
William M. Wollet
G07 - CHECKING-DEVICES
Information
Patent Grant
Security mechanism for telephone paystations
Patent number
4,942,748
Issue date
Jul 24, 1990
Palco Telecom Inc.
Gerald B. McGough
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Simplified metal housing for telephone paystation
Patent number
4,938,547
Issue date
Jul 3, 1990
Palco Telecom, Inc.
Gerald B. McGough
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Paystation theft inhibiting circuit
Patent number
4,922,525
Issue date
May 1, 1990
Palco Telecom Inc.
John J. Dernovsek
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Low voltage operated coin relay
Patent number
4,903,294
Issue date
Feb 20, 1990
Palco Telecom Inc.
Gary Grantland
G07 - CHECKING-DEVICES
Information
Patent Grant
Paystation monitor circuit to prevent fraudulent use
Patent number
4,896,348
Issue date
Jan 23, 1990
Palco Telecom Inc.
Gary Grantland
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Lock protector assembly
Patent number
4,852,373
Issue date
Aug 1, 1989
Palco Telecom Inc.
Gerald B. McGough
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Adaptive telephone receive control
Patent number
4,831,650
Issue date
May 16, 1989
Palco Telecom, Inc.
Gary Grantland
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Paystation transmitter ground detect circuitry
Patent number
4,821,313
Issue date
Apr 11, 1989
Palco Telecom Inc.
Gary Grantland
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Coin-operated telephone apparatus
Patent number
4,815,123
Issue date
Mar 21, 1989
Palco Telecom, Inc.
Gerald B. McGough
G07 - CHECKING-DEVICES
Information
Patent Grant
Coin-operated telephone apparatus
Patent number
4,809,319
Issue date
Feb 28, 1989
Palco Telecom, Inc.
Gerald B. McGough
G07 - CHECKING-DEVICES
Patents Applications
last 30 patents
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last 30 trademarks