Nichols v. Sanborn Co.

FORD, District Judge.

This is an equity patent-infringement suit. The plaintiffs charged that the defendant infringed the letters patent in suit by making, using, and selling electrocardiograph devices embodying the patented invention of the plaintiffs.

The bill of complaint was filed December 2, 1935 and although the time for filing interrogatories had expired without either party interrogating the other, a stipulation was entered into allowing discovery and interrogatories to be filed pertaining to all matters that had occurred up to the date of filing.

In consequence, interrogatories were…