| 摘要 |
TO ALL WHOM IT MAY CONCERN: BE IT KNOWN that WE, STEVEN K. HARBAUGH, a citizen of the United States of America, residing in the City of Anaheim, County of Orange, State of California, and FRANK R. MITCHELL, a citizen of the United States of America, residing in the City of South Pasadena, County of Los Angeles, State of California, respectively, have invented certain new and useful improvements inION TRAVELING OPTICAL TABLE ASSEMBLY of which the following is the specification. |
