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Mark D. Randa
Oconomowoc, WI
US
8 patents
8 Patents
US12496645
2025
Pipe Slitter
The Charles Machines Works, Inc.
0 cites
US12410879
2025
Latch Assembly for Use with an Inversion Drum
The Charles Machine Works, Inc.
0 cites
US12281726
2025
Pipe Extraction Assisted by Pre-stressed Strand
The Charles Machine Works, Inc.
0 cites
US12092257
2024
Lead Pipe Spudding Prior to Extraction or Remediation
The Charles Machine Works, Inc.
0 cites
USD1018244
2024
Pipe Slitter
The Charles Machine Works, Inc.
0 cites
US11913570
2024
System for Applying Torsional Force to a Buried Pipe to Facilitate Extraction
The Charles Machine Works, Inc.
0 cites
US11674354
2023
Piercing Tool Aiming Device
The Charles Machine Works, Inc.
0 cites
US11619336
2023
Pipe Slitting Machine with Rope Storage Reel
The Charles Machine Works, Inc.
0 cites