B. Findings of facts
The following findings of fact as well as those contained
elsewhere in this opinion are supported by a preponderance of the
evidence.
1. Rowland is involved on the basis of application
09/154,834, filed 17 September 1998.
2. Weaver is involved on the basis of U.S. Patent
5,788,681, granted 4 August 1998, based on application
08/730,343, filed 15 October 1996 and U.S. Patent 5,843,028,
granted 1 December 1998, based on application 08/706,311, filed
30 August 1996.
3. Rowland has been accorded benefit for the purpose of
priority of U.S. application 08/842,210, filed 23 April 1997,
U.S. application 08/648,356, filed 14 May 1996, and U.S.
application 08/242,168, filed 13 May 1994.
4. Weaver has been accorded benefit for the purpose of
priority of U.S. application 08/189,317, filed 31 January 1994
for both of its involved patents.
S. The interfering subject matter pertains to a three
lumen catheter or a method for using a three-lumen catheter,
having one lumen for a guide wire, one lumen for contrasting
fluid, and one lumen for an electrosurgical instrument,
2
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