| 申请人 |
RESEARCH CORP. TECHNOLOGIES, INC., TUCSON, ARIZ., US |
发明人 |
O'REAR, EDGAR, O., III, NORMAN, OK 73069, US;NGUYEN, PHILIP, D., DUNCAN, OK 73533, US;JOHNSON, ARTHUR, E., NORMAN, OK 73069, US;PATTERSON, EUGENE, S., OKLAHOMA CITY, OK 73104, US;WHITSETT, THOMAS, L., OKLAHOMA CITY, OK 73118, US |
