Tools were stolen from a van while the driver was attending a funeral in Stewartstown.
The rear window of the vehicle was smashed while it was parked at Coagh Road.
The incident happened sometime between 1.30pm and 4pm last Thursday (November 3).
Police say there was a large number of vehicles parked along the road.
Anyone with information about the incident should contact Dungannon Police Station on the non-emergency number 101.
More than 200 police officers assaulted in NI over Christmas period
Minister halts business rates process after hospitality backlash
Tributes paid to man who died after car crashes into shop in Co Tyrone
Four more Santander branches to close in Northern Ireland
Mike Nesbitt to retain position as Health Minister