5 patents
Design
Open end friction pile two sided
15 Aug 23
Tiffany Lynn Koman
Filed: 28 Jul 21
Design
Friction pile
25 Oct 22
Tiffany L. Koman
Filed: 2 Apr 19
Design
Friction pile
18 Oct 22
Tiffany L. Koman
Filed: 2 Apr 19
Utility
Open End Friction Pile
19 Aug 21
The open end friction pile comprises of four steel plates, four brackets, and one driving head.
Tiffany L. Koman
Filed: 6 May 21
Utility
Open end friction pile
18 May 21
The Open End Friction Pile comprises of four steel plates, four brackets, and one driving head.
Tiffany L. Koman
Filed: 29 Jul 19
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