Patents/Inventors

Joseph M. Caldwell

Austin, TXUS6 patents

6 Patents

US125732422026
Parking Meter System
Municipal Parking Services Inc.
0 cites
US124737012025
Device, Method and System for Detecting Parking in a No Parking Area
Municipal Parking Services, Inc.
0 cites
US122491872025
Parking Meter System
Municipal Parking Services Inc.
0 cites
US121420852024
Parking Meter System
Municipal Parking Services Inc.
0 cites
US117563592023
Health and Sanitation Monitoring Methods and Systems for Controlled Access to a Premises
Municipal Parking Services, Inc.
0 cites
US116882052023
Parking Meter System
Municipal Parking Services Inc.
0 cites