Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 6283984 | Dural closing surgical forceps The present disclosure is directed to a surgical forceps for joining tissue on opposed sides of an incision including a pair of extension members, wherein each extension member includes tissue engaging projections at a distal end thereof and are dimension... | 09/04/2001 |