| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 141 | Collapsible podium stand | US32826973 | 1973-01-31 | US3861328A | 1975-01-21 | LAWLESS JOHN M |
| A podium that is capable of being collapsed and folded for transport. The podium is composed of a horizontal base and an upper horizontally disposed paper-supporting podium plate. The two are interconnected by links that engage and lock with one another when it is desired to hold the podium in its standing position and which may be disconnected and folded when it is desired to have the podium collapsed for transport.
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| 142 | Portable desk | US53092066 | 1966-03-01 | US3368858A | 1968-02-13 | MOTTER LOUIS L; MOTTER LOUIS C; MOTTER KENNETH P; MOTTER LARRY L |
| 143 | Chair desk | US10250461 | 1961-04-12 | US3108549A | 1963-10-29 | AMSLER JR FRED R |
| 144 | Adjusting mechanism for a book stand | US56889456 | 1956-03-01 | US2826858A | 1958-03-18 | WILLIAM SIMPKINS |
| 145 | Vertically adjustable lectern | US2733970D | US2733970A | 1956-02-07 | ||
| 146 | Book holding reading table | US35531353 | 1953-05-15 | US2724923A | 1955-11-29 | WEIR STANLEY M |
| 147 | Adjustable table top | US29926752 | 1952-07-16 | US2691559A | 1954-10-12 | HARRY GEOFFREY M |
| 148 | Tiltable table of cantilever type | US35054653 | 1953-04-23 | US2683067A | 1954-07-06 | HARTMAN JOSEPH L |
| 149 | Adjustable cardholder support | US1588548 | 1948-03-19 | US2584179A | 1952-02-05 | ADAMS STEPHEN J |
| 150 | Book- and copyholder | US7999649 | 1949-03-07 | US2572731A | 1951-10-23 | RAYMOND KEITH ARTHUR |
| 151 | Reading rack | US42248841 | 1941-12-11 | US2333376A | 1943-11-02 | HOPKINS HAROLD C |
| 152 | Bookrack | US29050539 | 1939-08-16 | US2294563A | 1942-09-01 | LAMAR WILLIAM P |
| 153 | Adjustable and demountable book stand | US6897636 | 1936-03-16 | US2090000A | 1937-08-17 | HAGER GEORGE C; PRINCE LEONARD M |
| 154 | Book, chart, and reference holder | US72860434 | 1934-06-01 | US2003746A | 1935-06-04 | HEADINGTON FLORENCE E |
| 155 | Reading desk | US35961429 | 1929-05-01 | US1849990A | 1932-03-15 | KISABURO OTSUKI |
| 156 | Proof-reader's table | US25385328 | 1928-02-13 | US1761766A | 1930-06-03 | ZIM JESSE G |
| 157 | Music instrument | US50463321 | 1921-10-01 | US1729805A | 1929-10-01 | MORIZ STOEHR |
| 158 | Reading desk | US56761522 | 1922-06-12 | US1712814A | 1929-05-14 | JOHN DIERKS |
| 159 | Book holder | US5339125 | 1925-08-29 | US1666803A | 1928-04-17 | WALKER JOSEPH D |
| 160 | Desk | US62565223 | 1923-03-16 | US1652774A | 1927-12-13 | FRASER CHELSEA C; GOSS JOSEPHINE A |
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