MANULATHE
Filed: March 29, 1947
HAND-TOOLS FOR RE-CUTTING RING GROOVES IN PISTONS
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71519829
PERFECT CIRCLE
Filed: October 8, 1947
TOOLS FOR INSTALLING PISTON RINGS ON PISTONS, PISTON SKIRT EXPANDERS, MACHINES FOR PROVIDING AN INTERRUPTED SURFACE ON CYLINDRICAL…
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71537231
GX
Filed: October 11, 1947
PISTON RINGS
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71537613
200
Filed: October 11, 1947
PISTON RINGS
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71537614
PC
Filed: October 11, 1947
PLASTIC GAUGING MATERIAL IN THE FORM OF STICKS TO BE SQUEEZED BETWEEN A BEARING OF A SHAFT FOR USE IN DETERMINING THE CLEARANCE…
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71537616
LEADERSHIP INTEGRITY SERVICE PERFECT CIRCLE
Filed: October 14, 1947
INSTRUCTING MECHANICS AND REPAIR MEN IN METHODS OF OVERHAULING AND REPAIRING INTERNAL COMBUSTION ENGINES, PARTICULARLY TO…
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71537820
PC
Filed: April 16, 1954
PISTON RINGS, [OIL SEALING RINGS FOR ROTATING SHAFTS, AND BEARING ADJUSTERS IN THE FORM OF SHIMS]
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 71664696
HYTRESS
Filed: June 27, 1961
HIGHWAY TEST RECORDER AND SIMULATOR FOR AUTOMOTIVE ENGINES, AND PARTS THEREOF
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 72122948
RE-FRE-TRAN
Filed: June 27, 1961
ELECTRONIC TRANSDUCERS
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 72122949
PC
Filed: August 18, 1961
CYLINDER SLEEVE CASTINGS BOTH IN AS-CAST FORM AND PARTIALLY MACHINED FORM
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 72126251
MAXLOK
Filed: August 18, 1961
PARTIALLY MACHINED CYLINDER SLEEVE CASTINGS
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 72126254
PC
Filed: June 17, 1964
FRONT END SUSPENSION PARTS SUCH AS UPPERAND LOWER CONTROL ARMS, COIL SPRINGS, SPRING SHACKLES, SPRING BOLTS AND BUSHINGS…
Owned by: PERFECT CIRCLE CORPORATION
Serial Number: 72195890