-
Racket string clamp
-
Patent number 4,333,649
-
Issue date Jun 8, 1982
-
AMF Incorporated
-
George A. Vaughn
-
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
-
Clamping apparatus
-
Patent number 4,309,033
-
Issue date Jan 5, 1982
-
AMF Incorporated
-
Charles L. Parker
-
E04 - BUILDING
-
Platform tennis court
-
Patent number 3,935,687
-
Issue date Feb 3, 1976
-
Maark Corporation
-
George A. Vaughn
-
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES