Interference No. 103,830
4. Whether Hutmacher’s motion to redefine the interfering subject matter, which motion
was deferred to final hearing, should be granted.
Pacholok’s Record Re Priority
The junior party’s record is to the following effect.
During December of 1992, Pacholok developed a first prototype pulser for stopping cars
during a high speed chase. At about that time, a test was conducted wherein the pulser was
connected by long leads and alligator clips to the underside of a stationary automobile. The
vehicle’s radio and alternator were disabled during the test but the engine operation was
unaffected. Pacholok was not satisfied with the test results.
Pacholok wrote up an invention disclosure and submitted it to R. Winston Slater, a patent
attorney, on December 30, 1992 (Exhibit pages B4-B12). Pacholok prepared an addendum to his
disclosure and sent it to Slater on or about February 19, 1993 (Exhibit pages B22-B28). During
February and March 1993, he completed assembly of a second pulser, and ran tests on
March 13 and 17, 1993 in the presence of Mark Elliot, an electronics consultant and friend. The
pulser permanently stalled a running engine on March 17. A copy of the results of each test was
sent by fax to Slater on March 21, 1993 (Exhibit pages B29-B30) and Pacholok sent an updated
invention disclosure entitled LOW-COST SIMPLIFIED CAR KILLER INVENTION
DISCLOSURE to Slater on that same date (Exhibit pages B31-B32).
From April through August 1993, Pacholok worked toward miniaturizing his device so
that a car could drive over the housing of the pulser. Pacholok finished a simplified and
miniaturized model built from a storage container with a 100KV capacitor and a self-contained
inverter, battery, voltage multiplier and a pull-chain switch to turn the unit on and off. The
capacitor to car electrodes were stiff HV wire inserted into plastic tubes, and so allowed
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